Astronomy

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years old

Lime granules trapped in ancient walls show Romans relied on a reactive hot-mix method to making concrete that could now inspire modern engineers

Super-Jupiters have masses a dozen times that of Jupiter, but they are often illustrated as having a very Jupiter-like appearance. A new study finds that the classic banded-cloud look of Jupiter is very different from the look of the largest worlds.

Scientists were amazed to discover a 507-year-old clam that was already 100 in Shakespeare’s day, but why did it live so long and what can we learn from it?

Scientists were amazed to discover a 507-year-old clam that was already 100 in Shakespeare’s day, but why did it live so long and what can we learn from it?

Excavations of a workshop that was buried in Pompeii almost 2000 years ago have given archaeologists unique insights into Roman construction techniques and the longevity of the empire’s concrete

Excavations of a workshop that was buried in Pompeii almost 2000 years ago have given archaeologists unique insights into Roman construction techniques and the longevity of the empire’s concrete

Astronomers have discovered one of the largest structures in the universe — and the galaxies within it — spinning like a fairground teacup ride.

The post Galaxies Spin on Vast Filament Like a Teacup Ride appeared first on Sky & Telescope.

On our 2025 Best Nonfiction of the Year list, Karen Hao’s investigation of artificial intelligence reveals how the AI future is still in our hands

Our writers and contributors have chosen their favourite ever science-y books, films, TV shows, music, video games, board games and more to see you through the festive period

Our writers and contributors have chosen their favourite ever science-y books, films, TV shows, music, video games, board games and more to see you through the festive period

X-ray space telescopes caught a supermassive black hole flinging matter into space at a fifth of the speed of light

The time of day that cancer drugs are administered could make a big difference to a patient's outcomes, and would be a relatively simple intervention to roll out

The time of day that cancer drugs are administered could make a big difference to a patient's outcomes, and would be a relatively simple intervention to roll out

How a Finnish physicist named Karl Lemström once became obsessed with recreating the aurora borealis from scratch – and may have ended up creating something even more intriguing

How a Finnish physicist named Karl Lemström once became obsessed with recreating the aurora borealis from scratch – and may have ended up creating something even more intriguing

As far as annual meteor showers are concerned, 2025 has saved the best for last. This year’s Geminids are not to be missed

Space-based computing offers easy access to solar power but presents its own environmental challenges

At the same time that Vera Rubin was turning cosmology upside down with conclusive evidence for the existence of dark matter, Stephen Hawking was doing…Stephen Hawking things.

A type of chaos found in everything from prime numbers to turbulence can unify a pair of unrelated ideas, revealing a mysterious, deep connection that disappears without randomness