Astronomy

Young stars grow by gobbling up nearby gas and dust. Over time, they can become extremely massive. The most massive stars we know of have up to 200 solar masses. But the flow of matter isn't a one-way street. Instead, young protostars eject some of the matter back into space with powerful jets.

NASA Artemis II Crew Public Affairs Officer Courtney Beasley, left, moderates a panel discussion with CSA (Canadian Space Agency) astronaut Jeremy Hansen, NASA astronauts Christina Koch, and Reid Wiseman, right, as they discuss their mission around the Moon next year aboard Artemis II, the first crewed test flight under NASA's Artemis campaign, Friday, March 7, 2025, at SXSW in Austin, Texas.

Saturn has dozens of new moons, bringing it to a total of 274. All of the new moons are between 2 and 4 kilometres wide, but at what point is a rock too small to be a moon?

Saturn has dozens of new moons, bringing it to a total of 274. All of the new moons are between 2 and 4 kilometres wide, but at what point is a rock too small to be a moon?

Saturn has dozens of new moons, bringing it to a total of 274. All of the new moons are between 2 and 4 kilometres wide, but at what point is a rock too small to be a moon?

Saturn has dozens of new moons, bringing it to a total of 274. All of the new moons are between 2 and 4 kilometres wide, but at what point is a rock too small to be a moon?

Analysis of samples brought back to Earth from the asteroid Bennu reveal that it has a bizarre chemical make-up and is unusually magnetic

Analysis of samples brought back to Earth from the asteroid Bennu reveal that it has a bizarre chemical make-up and is unusually magnetic

Earth's largest iceberg has run aground off the coast of South Georgia Island, a common rendezvous spot for big bergs, new satellite images show.

Organisms known as extremophiles have been found inhabiting a range of extreme conditions on Earth, including inside our bodies. Could they be on Mars, too?

The Dragon capsule will launch atop a SpaceX rocket to carry 4 astronauts to space on March 12.

Mr Peanut is in The Electric State (and my nightmares).

A report from the Natural Resources Defense Council looked at how states balanced transportation needs with climate and equity efforts

Top advisers in NASA’s Office of the Chief Scientist are among the first to go amid a government-wide downsizing effort

Farming arose on multiple continents among populations with radically different cultures and environments and with no means of communicating with each other – how did it crop up independently at about the same time?

Farming arose on multiple continents among populations with radically different cultures and environments and with no means of communicating with each other – how did it crop up independently at about the same time?

Firefly Aerospace's Blue Ghost lander has beamed back video of its ongoing lunar science operations, including drilling into the surface of the moon.

Return to the glory days of 'Star Trek' and 'The Outer Limits' in our special voyage down small screen's memory lane.

A new report finds that butterfly populations in the continental U.S. declined by one fifth between 2000 and 2020—but it’s not too late

Linguists, psychologists and experts in cultural evolution are discovering why we tell stories, how ancient the oldest ones are and why some tales run and run