Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and ...

The comet has been on our radars since the summer of 2025, when the Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

Comet C/2025 R3 (PanSTARRS) is brightening as it approaches Earth and should be visible to the naked eye between April 13 and ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between.

If C/2026 A1 (MAPS) survives its close encounter with the sun, it could blaze brightly enough to be seen from Earth.

Add Yahoo as a preferred source to see more of our stories on Google. Could “alien water” be hiding in 3I/ATLAS? Harvard researcher Avi Loeb explains the discovery and how it could challenge current ...

Stargazers were expecting to see the comet with the naked eye this month before it fell apart.

Alien, a startup looking to build trust infrastructure for the internet as the era of artificial intelligence agents changes ...

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Theoretical physicist Avi Loeb said we all need to be a bit more 'optimistic' when it comes to aliens while discussing how JD ...

Many years ago, former UFC champion Georges St-Pierre revealed that he once had a mysterious UFO encounter while traveling in ...