Avi Loeb said bases this hypothesis on a July 21 image captured by the Hubble Space Telescope and shared by NASA.

Comet is Perplexity’s new AI‑powered Chromium browser that automates tasks from booking reservations to managing emails, ...

Perplexity’s Comet browser is the first AI browser I’ve tried that feels different. Instead of just providing glorified ...

Hubble has taken the clearest image to date of the interstellar comet 3I/ATLAS, which is racing through our solar system at ...

ALMA observed water in Halley-type comet 12P/Pons-Brooks that was similar to Earth’s oceans, indicating the role of comets in ...

A rare celestial event is about to unfold as Comet C/2025 A6 (Lemmon) hurtles toward Earth. The comet was first spotted on ...

An interstellar comet spotted by NASA is headed for our solar system, showing up near Earth later this year, but it's another ...

Although faint, Comet Wierzchoś can be picked up by larger scopes as it passes near the planetary nebula NGC 6058 this ...

Just ask Microsoft, DuckDuckGo, Brave and the slew of other search engines that have tried to scrape away at Google's near 90 ...

Water found on Comet 12P/Pons-Brooks is "virtually indistinguishable" from water found on Earth. A "devil" comet's water is ...

Our new results provide the strongest evidence yet that at least some Halley-type comets carried water with the same isotopic ...

Harvard astrophysicist Avi Loeb has cowritten a research paper speculating whether the comet 3I/ATLAS is in fact "hostile" ...