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Mon, Apr 13, 2026 07:54 PM All times are UTC

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Brad E Tucker

Astrophysicist/Cosmologist, Australian National University
I am an Astrophysicist/Cosmologist, and currently a Fellow at the Research School of Astronomy and Astrophysics, Mt Stromlo Observatory and Senior Lecturer at the National Centre for the Public Awareness of Science at the Australian National University.

I have my hand in a variety of things, but the majority of my work involves exploding stars called supernova, and cosmology, the study of the universe. A certain type of supernova, called a type Ia, can be used as a standard candle that can trace our universe's history.

For this work, I am involved with a number of supernova surveys. I have been working on the ESSENCE Project, The CfA Supernova Search, The Carnegie Supernova Project and also using Mt Stromlo's new SkyMapper telescope. I am one of the leads of the Kepler Extra-Galactic Survey, KEGS, a Kepler Space Telescope Key Program, to understand why and how stars blow. I am leading a project to build a network of ultraviolet telescopes in the upper atmosphere which are being built at Mt Stromlo.

In addition to research, I frequently give talks to school groups and the general public about astronomy and have regular segments on various radio stations talking about astronomy news and events.

Among other things, I have developed a series of astronomy coins in conjunction with the Royal Australian Mint, consulted on science fiction movies, advised on astronomy-themed art projects, and have been featured in specials on the National Geographic Channel.

I am currently in the process of writing my first popular book and producing a Massive Open Online Course.

Space Science Series

Only 100 years ago the Milky Way was visible from central Paris. Here’s how we can get the night sky back

Aug 12, 2024 06:03 am UTC| Science

For the more than 100,000 years humans have been on Earth, we have looked up at night and seen the stars and our celestial home, the Milky Way galaxy. Cultures all around the world have stories and records incorporating...

Space Science Series

Why is the universe ripping itself apart? A new study of exploding stars shows dark energy may be more complicated than we thought

Jan 09, 2024 23:06 pm UTC| Science

What is the universe made of? This question has driven astronomers for hundreds of years. For the past quarter of a century, scientists have believed normal stuff like atoms and molecules that make up you, me, Earth,...

Economy

Gold Prices Slip as Dollar Strengthens Amid U.S.-Iran Tensions and Rising Inflation

Gold prices declined on Monday as a strengthening U.S. dollar and persistent inflation concerns weighed heavily on the precious metal. Spot gold dropped 0.6% to $4,720.67 per ounce, while gold futures slid 0.9% to...

Oil Prices Surge as U.S. Imposes Blockade on Iranian Shipping Amid Ongoing Middle East Tensions

Global financial markets were rattled Monday after the United States announced a blockade on Iranian shipping following the breakdown of weekend peace negotiations. The decision has renewed fears over Middle East energy...

Bank of Korea Governor Nominee Warns of Action if Korean Won Weakens Further

South Koreas Bank of Korea governor nominee, Shin Hyun-song, signaled on Monday that policymakers stand ready to intervene should the Korean won experience excessive depreciation. In written statements submitted to...

U.S. Blockades Strait of Hormuz as Oil Prices Surge Past $100

Oil prices climbed sharply in early Asian trading on Monday, with Brent crude jumping 8% to $102.93 per barrel after President Donald Trump announced that the U.S. Navy would begin blockading the Strait of Hormuz. The move...

U.S. Futures Plunge as Iran Ceasefire Talks Collapse and Hormuz Blockade Looms

U.S. stock index futures dropped sharply Sunday evening after ceasefire negotiations between Washington and Tehran broke down, raising fears of prolonged conflict and further disruptions to global energy markets. The...

Politics

U.S. Blockades Strait of Hormuz Amid Escalating Iran Tensions

The U.S. military has announced a blockade of the Strait of Hormuz effective Monday at 10 a.m. Eastern, targeting vessels traveling to or from Iranian ports and coastal areas. Ships not bound for Iran will be permitted to...

U.S., Australia, and Philippines Conduct Joint South China Sea Military Drills Amid Rising Tensions With China

The United States, Australia, and the Philippines wrapped up their second trilateral maritime exercises of 2025 in the South China Sea, reinforcing their collective commitment to freedom of navigation and regional security...

Taiwan Insists Government Must Lead Cross-Strait Engagement Amid China's New Incentives

Taiwans top security official has made clear that any response to Chinas latest proposed trade and tourism measures must be government-led, not driven by opposition party diplomacy. National Security Bureau chief Tsai...

Spain's Sanchez Urges China to Take Greater Global Leadership Role During Beijing Visit

Spanish Prime Minister Pedro Sanchez called on China to assume a more meaningful role in addressing pressing global challenges, including climate change, international security, defense, and the fight against inequality....

Hungary's Orban Loses Power as Magyar Wins in Landslide; U.S. Reactions Divided

Hungarian Prime Minister Viktor Orban, a close ally of U.S. President Donald Trump, was voted out of power after 16 years in office as Hungarians turned out in record numbers to elect center-right challenger Peter Magyar....

Science

China vs. NASA: The New Moon Race and What's at Stake by 2030

The space race is back and this time, its a direct competition between the United States and China for dominance on the lunar surface. NASAs Artemis II mission recently made history when four astronauts flew farther into...

NASA Artemis II: First Crewed Moon Mission Since Apollo Takes Four Astronauts on 10-Day Lunar Journey

NASAs Artemis II mission launched Wednesday, marking humanitys return to crewed lunar exploration for the first time since the Apollo era. Carrying four astronauts aboard the Orion spacecraft, this historic 10-day mission...

NASA's Artemis II Mission: First Crewed Lunar Journey Since Apollo

NASA's Artemis II Crew Arrives in Florida for Historic Moon Mission

The four astronauts chosen for NASAs Artemis II mission have touched down at Kennedy Space Center in Florida, marking the beginning of final launch preparations for the first crewed lunar journey in over 50 years. NASA...

SpaceX Pivots Toward Moon City as Musk Reframes Long-Term Space Vision

SpaceX CEO Elon Musk has revealed a significant shift in the companys near-term space exploration strategy, announcing that SpaceX is now prioritizing the development of a self-growing city on the Moon rather than focusing...

Technology

AI Deradicalization Tools: How Chatbots Could Help Combat Violent Extremism Online

As artificial intelligence platforms become more deeply embedded in daily life, concerns about their role in enabling dangerous behavior continue to grow. A New Zealand startup is now developing a groundbreaking tool that...

TSMC Posts Record Q1 2026 Profits Driven by Surging AI Chip Demand

Taiwan Semiconductor Manufacturing Co. (TSMC) is on track to deliver its fourth straight quarter of record-breaking earnings, with analysts forecasting a 50% jump in net profit for the first quarter of 2026. The surge is...

OpenAI Addresses Security Vulnerability in macOS App Certification Process

OpenAI disclosed a security concern on Friday involving a third-party developer tool known as Axios, which is connected to the process used to verify the authenticity of its macOS applications. The company confirmed it has...

San Francisco Suspect Arrested After Molotov Cocktail Attack on OpenAI CEO Sam Altman's Home

San Francisco police arrested a 20-year-old suspect Friday following a pre-dawn attack on OpenAI CEO Sam Altmans residence in the citys North Beach neighborhood. According to the San Francisco Police Department, an...

SanDisk Joins Nasdaq-100, Replacing Atlassian on April 20

Nasdaq Inc. confirmed late Friday that SanDisk Corporation will enter the Nasdaq-100 Index, taking the spot previously held by Atlassian Corp Plc when markets open on Monday, April 20, 2026. The change signals a broader...