We all need some space sometimes—but it's harder to find than you might think. How far into our universe do we have to go to ...

Voyager 1 has been exploring the cosmos for decades, but when it reached the edge of the solar system, it found something ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

The Asteroid Terrestrial-impact Last Alert System, better known as ATLAS, detected a fast-moving object entering our solar ...

A new study has proposed the existence of Planet Y, an alternative Planet Nine candidate that is smaller and closer to Earth ...

Interstellar comet 3I/ATLAS has caught the interest of astronomers and amateur enthusiasts alike as just the third object to ...

This video follows NASA’s Voyager 2 spacecraft as it journeys beyond the heliosphere—the boundary where the Sun’s influence ends and interstellar space begins. It explores the probe’s discoveries ...

Water is the universal yardstick of comet science, the baseline for measuring how sunlight drives a comet's activity and ...

Harvard astornomer Avi Loeb suggests interstellar object 3I/ATLAS could've sent off the Wow! Signal back in 1977.

The 9th Interstellar Symposium at UT Austin will bring together scientists, creatives, and industry experts to discuss the ...

IMAP (short for "Interstellar Mapping and Acceleration Probe") is the primary payload on today's flight. The roughly $600 ...

The uncommon interstellar visitor, comet 3I/ATLAS, is captivating astronomers worldwide as it races through our solar system ...