This unexpected color raises new questions about the alien chemistry of comets from beyond our solar system. On Sept. 7 2025, ...

On September 7, 2025, the world witnessed a breathtaking total lunar eclipse — but what two amateur astronomers captured from ...

I/ATLAS is notable for being only the third confirmed interstellar comet to pass through our solar system. Unlike typical comets that are gravitationally bound to the sun, 3I/ATLAS follows a ...

Interstellar Comet 3I/ATLAS undergoes a striking green transformation, captivating scientists and astronomy enthusiasts alike ...

There's some bizarre action going on with 3I/ATLAS, the interstellar object which some have claimed could be an 'alien threat ...

I/ATLAS was discovered on July 1 by the Asteroid Terrestrial-impact Last Alert System (ATLAS) at a distance of 675 million ...

A mysterious object from interstellar space is screaming through the solar system right now, and is expected to rip past ...

The anti-tail of 3I/ATLAS is particularly noteworthy because it is evident despite a less-than-ideal viewing angle, with the line of sight misaligned by only 10 degrees. This geometric factor suggests ...

"The fact that we captured the aurora again demonstrates that our method for predicting aurorae on Mars and capturing them ...

On the Red Planet, aurorae glow green because the charged particles collide with oxygen atoms high above Mars. They may be ...

The Interstellar Mapping and Acceleration Probe (IMAP) is being launched later this month to study the outer reaches of the ...

NASA is preparing to launch a new observatory that will help scientists better understand space weather and the protective ...