Dark matter: our new experiment aims to turn the ghostly substance into actual light
Apr 26, 2024 01:30 am UTC| Science
A ghost is haunting our universe. This has been known in astronomy and cosmology for decades. Observations suggest that about 85% of all the matter in the universe is mysterious and invisible. These two qualities are...
A Nasa rover has reached a promising place to search for fossilised life on Mars
Apr 24, 2024 09:34 am UTC| Science
While we go about our daily lives on Earth, a nuclear-powered robot the size of a small car is trundling around Mars looking for fossils. Unlike its predecessor Curiosity, Nasas Perseverance rover is explicitly intended to...
Nasa to overhaul mission returning samples from Mars – here’s why it must and will go ahead
Apr 23, 2024 08:00 am UTC| Insights & Views Technology
Nasa recently announced that it is seeking new ways to complete the return to Earth of rock cores drilled by the Perseverance Rover in the Jezero Crater on Mars. This has led to some anxiety among space scientists, who...
The rising flood of space junk is a risk to us on Earth – and governments are on the hook
Apr 18, 2024 06:22 am UTC| Insights & Views Science
A piece of space junk recently crashed through the roof and floor of a mans home in Florida. Nasa later confirmed that the object had come from unwanted hardware released from the international space station. The 700g,...
Could a telescope ever see the beginning of time? An astronomer explains
Apr 09, 2024 12:48 pm UTC| Science
The James Webb Space Telescope, or JWST for short, is one of the most advanced telescopes ever built. Planning for JWST began over 25 years ago, and construction efforts spanned over a decade. It was launched into space on...
If life exists on Jupiter’s moon Europa, scientists might soon be able to detect it
Apr 08, 2024 06:12 am UTC| Insights & Views Science
Europa is one of the largest of more than 90 moons in orbit around the planet Jupiter. It is also one of the best places to look for alien life. Often termed an ocean world by scientists, observations to date strongly...
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...
Johannesburg in a time of darkness: Ivan Vladislavić’s new memoir reminds us of the city’s fragility
Why Germany ditched nuclear before coal – and why it won’t go back
Labour can afford to be far more ambitious with its economic policies – voters are on board
Sudan: civil war stretches into a second year with no end in sight