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

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 ...

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

Comet 12P/Pons Brooks shows a D/H water ratio matching Earth’s oceans, revealed through ALMA and NASA IRTF observations.

Experience the awe of a once-in-a-lifetime comet sighting in this video. Discover essential information about the comet’s ...

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

NASA’s Hubble Space Telescope has captured the sharpest-ever view of the interstellar comet 3I/ATLAS, revealing clues about ...

Confirmed as an alien comet, new observations have given us a much better idea of how large this interstellar object actually ...

Discovered last month by a telescope in Chile, the comet known as 3I-Atlas is only the third known interstellar object to ...

NASA’s Hubble Space Telescope has snapped images of a recently discovered interstellar visitor hurtling through our solar ...

NASA's Perseverance rover on Mars has collected its 24th sample of Jezero Crater. The 'Comet Geyser' sample is "great for biosignature studies," according to the space agency's Jet Propulsion ...