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Chris Impey

University Distinguished Professor of Astronomy, University of Arizona
Chris Impey is a University Distinguished Professor of Astronomy at the University of Arizona. He has over 180 refereed publications on observational cosmology, galaxies, and quasars, and his research has been supported by $20 million in NASA and NSF grants. He has won eleven teaching awards, and has taught three massive open online classes with over 180,000 enrolled. Impey is a past Vice President of the American Astronomical Society and he has been an NSF Distinguished Teaching Scholar, Carnegie Council’s Arizona Professor of the Year, and most recently, a Howard Hughes Medical Institute Professor. He’s written over 70 popular articles on cosmology and astrobiology, two introductory textbooks, a novel called Shadow World, and eight popular science books: The Living Cosmos, How It Ends, Talking About Life, How It Began, Dreams of Other Worlds, Humble Before the Void, Beyond: The Future of Space Travel, and Einstein’s Monsters: The Life and Times of Black Holes.

The Mars Sample Return mission has a shaky future, and NASA is calling on private companies for backup

Apr 26, 2024 01:33 am UTC| Insights & Views Science

A critical NASA mission in the search for life beyond Earth, Mars Sample Return, is in trouble. Its budget has ballooned from US$5 billion to over $11 billion, and the sample return date may slip from the end of this...

Space Science Series

Exploding stars are rare but emit torrents of radiation − if one happened close enough to Earth, it could threaten life on the planet

Apr 01, 2024 11:05 am UTC| Science

Stars like the Sun are remarkably constant. They vary in brightness by only 0.1% over years and decades, thanks to the fusion of hydrogen into helium that powers them. This process will keep the Sun shining steadily for...

Orbital resonance − the striking gravitational dance done by planets with aligning orbits

Feb 05, 2024 07:17 am UTC| Science

Planets orbit their parent stars while separated by enormous distances in our solar system, planets are like grains of sand in a region the size of a football field. The time that planets take to orbit their suns have no...

Space Science Series

Why isn't there any sound in space? An astronomer explains why in space no one can hear you scream

Dec 05, 2023 05:40 am UTC| Science

In space, no one can hear you scream. You may have heard this saying. Its the tagline from the famous 1979 science fiction movie Alien. Its a scary thought, but is it true? The simple answer is yes, no one can hear you...

Space Science Series

NASA report finds no evidence that UFOs are extraterrestrial

Sep 18, 2023 05:52 am UTC| Science

NASAs independent study team released its highly anticipated report on UFOs on Sept. 14, 2023. In part to move beyond the stigma often attached to UFOs, where military pilots fear ridicule or job sanctions if they...

Space junk in Earth orbit and on the Moon will increase with future missions − but nobody's in charge of cleaning it up

Sep 01, 2023 01:38 am UTC| Science

Theres a lot of trash on the Moon right now including nearly 100 bags of human waste and with countries around the globe traveling to the Moon, theres going to be a lot more, both on the lunar surface and in Earths...

Economy

EU Delays Mercosur Free Trade Agreement Signing Amid Ukraine War Funding Talks

The European Union has decided to delay the formal signing of its long-anticipated free trade agreement with the Mercosur bloc, as EU leaders convened in Brussels to prioritize discussions on funding Ukraines war effort....

Precious Metals Rally as Silver and Platinum Outperform on Rate Cut Bets

Gold prices edged slightly lower in Asian trading on Friday but were still on track to post modest weekly gains, as strong safe-haven demand continued to support the precious metals market. At the same time, silver and...

Oil Prices Steady in Asia but Headed for Weekly Loss on Supply Glut Concerns

Oil prices were mostly steady during Asian trading on Friday, but both major benchmarks were still on track to record a second consecutive weekly decline as persistent concerns over a global supply glut continued to...

New Zealand Business Confidence Hits 30-Year High as Economic Outlook Improves

New Zealands business confidence surged sharply in December, reaching its highest level in three decades, according to the latest ANZ Bank Business Outlook survey released on Friday. The data highlights growing optimism...

BOJ Poised for Historic Rate Hike as Japan Signals Shift Toward Monetary Normalization

The Bank of Japan (BOJ) is widely expected to raise interest rates to a three-decade high, marking another milestone in its gradual exit from ultra-loose monetary policy. At the conclusion of its two-day meeting on Friday,...

Politics

U.S. and China Push for Ceasefire as Thailand–Cambodia Border Clashes Escalate

China and the United States are intensifying separate diplomatic efforts to revive a ceasefire between Thailand and Cambodia, as Southeast Asian leaders prepare for a crucial ASEAN meeting aimed at addressing the worst...

Syria, Kurds and U.S. Race to Show Progress on SDF Integration Deal

Syrian, Kurdish and U.S. officials are intensifying diplomatic efforts ahead of a year-end deadline to demonstrate progress on a long-stalled agreement to integrate Kurdish-led forces into the Syrian state, according to...

Putin Signals Possible Peace or Continued War in Ukraine at Major Year-End Address

Russian President Vladimir Putin is expected to send a significant signal to the United States and European powers regarding the future of the Ukraine war when he speaks at his annual end-of-year news conference on Friday....

Trump Administration Reviews Nvidia H200 Chip Sales to China, Marking Major Shift in U.S. AI Export Policy

The U.S. government under President Donald Trump has launched a formal review that could pave the way for the first-ever shipments of Nvidias H200 artificial intelligence chips to China, according to multiple sources...

Trump Signs Order to Ease Federal Marijuana Rules, Signaling Major Policy Shift

U.S. President Donald Trump has signed an executive order directing federal agencies to loosen regulations on marijuana, a move that could mark one of the most significant changes in U.S. cannabis policy in decades. The...

Science

Jared Isaacman Confirmed as NASA Administrator, Becomes 15th Leader of U.S. Space Agency

The U.S. Senate has officially confirmed billionaire private astronaut Jared Isaacman as the new NASA administrator, making him the 15th leader in the agencys history. The confirmation, which took place on Wednesday, marks...

Senate Sets December 8 Vote on Trump’s NASA Nominee Jared Isaacman

The U.S. Senate Commerce Committee announced it will vote on December 8 on President Donald Trumps renewed nomination of private astronaut and tech entrepreneur Jared Isaacman to lead NASA. Isaacman, known for his...

NASA Cuts Boeing Starliner Missions as SpaceX Pulls Ahead

NASA has significantly scaled back Boeings Starliner program after years of technical issues and delays, announcing that the next Starliner mission to the International Space Station (ISS) will fly without astronauts. The...

Blue Origin’s New Glenn Achieves Breakthrough Success With First NASA Mission

Blue Origins massive New Glenn rocket marked a major milestone as it completed its first mission for paying customers, sending two NASA satellites toward Mars and successfully landing its reusable booster at sea. The...

Cogent Biosciences Soars 120% on Breakthrough Phase 3 Results for Bezuclastinib in GIST Treatment

Cogent Biosciences (NASDAQ: COGT) shares skyrocketed over 120% after the biotech company announced groundbreaking results from its Phase 3 PEAK trial evaluating bezuclastinib in combination with sunitinib for patients with...

Technology

TikTok U.S. Deal Advances as ByteDance Signs Binding Joint Venture Agreement

TikTok has taken a major step toward securing its future in the United States after its Chinese parent company, ByteDance, announced it has signed binding agreements with three major investors to form a new joint venture...

Oracle Stock Surges After Hours on TikTok Deal Optimism and OpenAI Fundraising Buzz

Oracle Corporation (NYSE: ORCL) shares surged sharply in extended trading on Thursday, reflecting renewed investor optimism fueled by reports of a potential U.S. TikTok transaction and fresh fundraising discussions...

Apple Opens iPhone to Alternative App Stores in Japan Under New Competition Law

Apple has announced a major shift in its App Store policies in Japan, opening iPhones and other Apple devices to alternative app stores in order to comply with new competition laws aimed at reshaping the countrys...

Micron Technology Forecasts Surge in Revenue and Earnings on AI-Driven Memory Demand

Micron Technology delivered record first-quarter results and issued a bullish forecast for the current quarter, driven by rising memory prices and strong demand linked to artificial intelligence workloads. The upbeat...

Oracle Stock Slides After Blue Owl Exit Report, Company Says Michigan Data Center Talks Remain on Track

Oracle shares fell more than 4% on Wednesday after a Financial Times report claimed that Blue Owl Capital, Oracles largest U.S. data center partner, decided not to support a planned $10 billion data center project in...