Astronomy

A 13-million-year-old leg bone from an enormous flightless bird carries crocodilian tooth marks, showing South America was once a predator-eat-predator world

Nebulas are perhaps as famous for being identified

About 1,300 images from the Lunar Reconnaissance Orbiter

The sixth object in

Would the

Can some supernovas explode twice?

A SpaceX Falcon 9 rocket launched two of SES's O3b mPOWER communications satellites toward medium-Earth orbit today (July 22), then aced its landing on a ship at sea.

Astronomers have discovered a 200-light-year-wide Giant Molecular Cloud dubbed the Midpoint cloud that seems to be feeding star-building material to the heart of the Milky Way.

Reducing air pollution is critical for improving public health, but it has brought big climate trade-offs

Reducing air pollution is critical for improving public health, but it has brought big climate trade-offs

The thin crescent moon and Jupiter will be visible to the naked eye for early risers on July 23.

'A malfunctioning program who wants to live. Why is that?'

Two AI models have achieved gold medal standard for the first time in a prestigious competition for young mathematicians – and their developers claim these AIs could soon crack tough scientific problems

Two AI models have achieved gold medal standard for the first time in a prestigious competition for young mathematicians – and their developers claim these AIs could soon crack tough scientific problems

Miguel Claro took one last look at Comet C/2023 A3 Tsuchinshan-Atlas as it bid farewell to Earth for the next 80,000 years.

Solar expert Dr. Ryan French explains how to safely photograph the sun and all of its wondrous features!

Leaf-toed geckos were thought to be locally extinct on Rabida Island, but the diminutive reptiles have re-emerged after a campaign to eliminate invasive rats

Leaf-toed geckos were thought to be locally extinct on Rabida Island, but the diminutive reptiles have re-emerged after a campaign to eliminate invasive rats