Two ESA spacecraft, Hera and Europa Clipper, are poised to fly through the long tail of interstellar comet 3I/ATLAS, a new ...

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.

Tonight, the sky will light up with a rare spectacle. Two bright green comets, C/2025 A6 (Lemmon) and C/2025 R2 (SWAN), are ...

Avi Loeb suggested that if 3I/ATLAS is a spacecraft, it may use its proximity to the Sun's powerful gravitational pull while ...

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete ...

Comet Lemmon was first discovered on Jan. 3, 2025, by the Mount Lemmon Survey near Tucson, Arizona, and will get closest to ...

The interstellar object 3I/ATLAS has gathered significant scientific attention, and soon it will reach its closest point to ...

Jupiter, may soon encounter a unique scientific opportunity. The interstellar comet 3I/ATLAS is about to cross the path of ...

At the end of October Europa Clipper will fly in line with 3I/ATLAS’ ion tail — but will any of the charged particles reach ...

Where can you see the Orionids Meteor Shower? What is the best time to see the Orionids Meteor Shower? Find out all about it ...

Sky watchers in North Texas tonight can possibly feel a bit of a connection to Halley’s Comet when a bunch of fireballs soar ...

Comets Lemmon and SWAN are soaring past Earth in a rare cosmic treat. Here's best viewing times, tips and more in ...