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

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

NASA's silence on interstellar comet 3I/ATLAS has sparked online theories after scientists observed bizarre tail shifts and ...

"We study cometary bodies because they act as time capsules, sealing in material from their formation billions of years ago." ...

A pair of newly discovered comets are making a rare double display in the night sky this week. SWAN and Lemmon, both of which ...

Astronomers have captured striking new images of the interstellar object 3I/ATLAS shooting a massive jet of gas and dust ...

A rare encounter of two comets this week will have stargazers in awe after nearly a year of no easily seen comets.

Comet C/2025 R2 (SWAN) was discovered on Sept. 10 by Ukrainian amateur astronomer Vladimir Bezugly. It has brightened ...

Lemmon and SWAN — plus a meteor shower are gracing October 2025 skies, weather-permitting. Learn the best times and ...

Comet Lemmon is being called the 'best and brightest' comet of the year with its distict green color, and it's not the only ...

A cosmic coincidence could give us an unprecedented look at a visitor from another solar system. If all goes well.

A pair of once-in-a-lifetime comets are rocketing through our skies right now, and it's a rare treat because they won't be ...