Missing US scientists’ mystery: Harvard astrophysicist Avi Loeb urges caution regarding a series of unexplained deaths and ...

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) ...

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First spotted by the Pan-STARRS survey at Haleakala, Hawaii, on Sept. 7, 2025, the iceball only orbits the sun once every 170 ...

With its longer, cooler nights, Autumn is an excellent time of year for stargazing, taking in a half-dozen meteor showers (including a potential meteor storm and fireball swarm), and possibly even ...

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

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 ...

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

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

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