Interstellar comet 3I/ATLAS blasts a jet towards the sun in new telescope image
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 3I/ATLAS could soon shower NASA’s Jupiter probe in charged particles. Will it reveal more about the interstellar invader?
At the end of October Europa Clipper will fly in line with 3I/ATLAS’ ion tail — but will any of the charged particles reach the spacecraft, and will the spacecraft be ready to receive them?
Watch comets Lemmon and SWAN make their closest approach to Earth live online on Oct. 20
The livestream is scheduled to start at 1:30 p.m. EDT (1730 GMT) on Oct. 20.
Interstellar comet 3I/ATLAS is leaking water like a ‘fire hose running at full blast,’ new study finds
Scientists have spotted the first clear sign of water from an interstellar comet, 3I/ATLAS, offering new clues to the chemistry of other planetary systems.
New comet Lemmon could shine bright enough to be seen with the naked eye this October
This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and evening skies.
European Mars orbiter spies interstellar comet 3I/ATLAS zooming past Red Planet (photos)
A European Mars probe witnessed the interstellar comet 3I/ATLAS' Red Planet flyby on Oct. 3, snapping imagery of the interloper from just 19 million miles (30 million kilometers) away.
Did NASA’s Perseverance Mars rover just see interstellar comet 3I/ATLAS in the Martian night sky?
NASA's Perseverance Mars rover may have captured an image of interstellar comet 3I/ATLAS streaking across the sky above the Red Planet.
Interstellar comet 3I/ATLAS will be eyed by Mars and Jupiter probes as it zooms past the sun this month
ESA is making use of spacecraft originally dedicated to its Mars and Jupiter missions to track comet 3I/ATLAS as it continues its journey through our solar system
Interstellar visitors like comet 3I/ATLAS are the most common objects in the Milky Way: ‘There’s almost always one within the solar system’
Astronomers say that mysterious interstellar visitors like 'Oumuamua and 3I/ATLAS are the most common large bodies in the Milky Way — and our best chance to study other planetary systems.
The ultimate comet challenge: A tail of trivia!
This quiz invites you to chase comets through time and space, from ancient omens to modern scientific marvels.