Comets may have transported water to a young planetary system: Study
Astronomers at Lund University in Sweden have found evidence of exocomets, comets in other solar systems, orbiting a…
NASA Study Finds Near-Earth Asteroid Is Actually Comet
New research led by scientists at NASA’s Jet Propulsion Laboratory in Southern California has revealed the identity of…
What’s Up: July 2026 Skywatching Tips from NASA
A predawn Moon-and-planets meetup, a returning comet, a great chance to see the Milky Way, and Saturn’s rings…
NASA’s Webb Finds Clues to Ancient, Distant Origin of Comet 3I/ATLAS
As interstellar comet 3I/ATLAS began moving away from the Sun in December 2025, astronomers took the opportunity to…
US scientists find how dry ice can alter quantum states of hydrogen
Scientists at the University of Maryland have successfully demonstrated the control of the nuclear spin of a hydrogen…
Comet 3I/ATLAS Formed in an Ultra-Cold Alien Star System
Water in the Solar System has a unique chemical signature: it is deuterated, that is, enriched in deuterium,…
NASA found evidence the slow spinning of a small comet
The spins of comet nuclei can change because of gas jets pushing on them. In April 2017, the…
NASA’s Hubble Detects First-Ever Spin Reversal of Tiny Comet
Astronomers using NASA’s Hubble Space Telescope have found evidence that the spinning of a small comet slowed and…
How Open NASA Data on Comet 3I/ATLAS Will Power Tomorrow’s Discoveries
The interstellar comet 3I/ATLAS will soon leave our solar system, never to return, but the observations of the…
NASA’s Hubble Unexpectedly Catches Comet Breaking Up
In a happy twist of fate, NASA’s Hubble Space Telescope just witnessed a comet in the act of…
Newly Discovered Comet Could Appear During the Day—If It’s Not Destroyed First
A recently discovered comet is plunging toward a fateful encounter with the Sun, which will determine whether it…
Interstellar Comet 3I/Atlas Has Another Surprise: It’s Full of Alcohol
Comet 3I/Atlas is now heading out of the solar system and into interstellar space, but scientists are still…