The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

Leonardo Testi and team investigate the initial conditions for planet formation in this special astronomy focus ...

Comet 3I/ATLAS has arrived in the inner solar system behaving as if the usual rules of comet physics were optional. Instead ...

Deep space has just delivered a cosmic riddle that refuses to fit any familiar category. Astronomers using some of the most ...

NASA has postponed the first planned spacewalk of 2026 after a medical concern involving a crew member aboard the ...

The sun's outer atmosphere has recently been likened to a pufferfish, revealing fascinating new insights into our solar system. This unique comparison stems from the first verified maps of the Alfvén ...

24P/Schaumasse will make its closest pass of the sun on Jan. 8, according to In-the-sky, when it will pass 109.7 million ...

Scientists tracked active solar region NOAA 13664 for 94 days, showing how persistent magnetic complexity drives flares and ...

Both NASA’s James Webb Space Telescope and Chandra X-ray Observatory caught these two galaxies in a close embrace.

They're called ghost particles for a reason. They're everywhere—trillions of them constantly stream through everything: our ...

A recent photo from NASA's Curiosity rover gives an idea of what Mars would look like under skies that resemble our own on ...

On Wednesday evening, former Google CEO Eric Schmidt and his wife, Wendy, announced a major investment in not just one ...