A colossal comet larger than some moons is now hurtling toward the inner solar system, leaving scientists in disbelief. Its ...
ALMA captures surprising activity in comet C/2014 UN271, Bernardinelli-Bernstein comet, the largest ever detected.
New telescope images show that the interstellar comet 3I/ATLAS is shooting a giant jet of gas and dust toward the sun. This ...
Two space probes, Hera and Europa Clipper, are ideally positioned to fly through the debris trail of interstellar comet ...
Astronomers are tracking a newly discovered interstellar visitor called 3I/ATLAS, and early research suggests it may be unusually massive. The comet was first spotted on July 1, 2025, by the ATLAS ...
Comet 3I/ATLAS is warming up as it approaches the sun, causing a jet to emerge. The jet is visible in a dramatic new image.
Comet Lemmon's nucleus is believed to be just a couple of miles in diameter. This is relatively small compared to other ...