This rare green comet won’t return for a thousand years. Here’s how to see it this week.

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

If You Like Space, You Might Appreciate These 50 Incredible Photos

The universe is truly magical: vast, mysterious, and endlessly fascinating. There’s something almost unreal about being able ...

Planet formation depends on when it happens: New model shows why

A new study led by UNLV scientists sheds light on how planets, including Earth, formed in our galaxy—and why the life and ...

Arizona scientist wants NASA astronauts to collect lunar crater samples. Here's why

Solving a lunar mystery? Scientist at the University of Arizona is the lead author on research proposing a new theory for the ...

Interstellar Comet 3I/ATLAS Is Spewing Water Like a Cosmic Fire Hydrant

Analyses of its emissions using NASA’s Neil Gehrels Swift Observatory indicate that the interstellar comet probably has a ...

Astronomers discover rare double-ringed odd radio circle in space

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.
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How a European Probe Proved Our Theories About Comets Wrong

When the ESA’s Rosetta spacecraft deployed its Philae lander onto Comet 67P, the data revealed compounds that challenged long ...

Rare Comet Older Than the Sun Seen by Mars Orbiters

ESA’s Mars orbiters captured images of the interstellar comet 3I/ATLAS as it passed close to Mars, revealing its bright, hazy ...

SETI Scientist Tries To Debunk Harvard Astrophysicist’s Claims Comet May Be An Alien Spacecraft

There has been a lot of talk among people who study and follow such things about whether or not interstellar comet 3I/ATLAS is an alien spacecraft. Most ...