It will be a while before you can see it for yourself, however. Halley’s comet was last visible from Earth in 1986, meaning we won’t have a chance to see it again until 2061. The comet is expected to appear in our skies around mid-June that year, Space.com reports, and remain visible into August.

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?

Short-period comets get close to the sun much more often than their long-period kin, and every time they do, they deplete more of their gas and dust. Consequently, they don’t typically emit as much reflective material per orbit, so they don’t get as bright.

Prepare to witness a celestial spectacle like no other as a gigantic comet dubbed the "devil comet" is poised to make a rare appearance in Earth's night sky next summer for the first time in seven decades. The ominous-sounding visitor, technically known ...

As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, unbeknownst to skywatchers, a little tiny speck was flying past the Sun — a recently discovered comet. This comet was first spotted in satellite data by Thai amateur astronomer ...

Two decently bright comets that share a superficial resemblance are gracing our skies right now, in fact: C/2025 A6 (Lemmon) and C/2025 R2 (SWAN). Lemmon has a period (the time it takes to orbit the sun) of about 1,