Tune in today (Jan. 16) to bid farewell to interstellar comet 3I/ATLAS, courtesy of a livestream from the Virtual Telescope ...

I just received this image of Comet 240P/NEAT from longtime Astronomy contributor Chris Schur, and I had to share it. This ...

The unusual behaviour of interstellar comet 3I/ATLAS has reignited online debate, but astronomers say the gaps in public ...

Though this hunt came up empty, the fact that 3I/ATLAS is only the third known object found in the solar system after ...

Astronomers spotted comet C/2025 R3, potentially visible without telescopes. It will approach Earth and Sun in April 2026, ...

What: A forward-looking SETI Live discussion examining the most significant space science missions, discoveries, and ...

The Hubble Space Telescope's newest images of 3I/ATLAS confirm the presence of its sunward anti-tail, contrary to the usual ...

The object that would become known as both the Great January Comet of 1910 and the Daylight Comet was first seen Jan. 12 in ...

Astronomers remain puzzled about the images of 3I/ATLAS captured several months ago; at the same time, the object’s ...

I/ATLAS is a natural celestial object with all the qualities typical to a comet. It doesn't just belong to our solar system.

Visible Via Binoculars. Probably the comet of the year 2026, Comet C/2025 R3 (PanSTARRS) was discovered on Sept. 8, 2025, by ...