Comet 41P/Tuttle-Giacobini-Kresak has begun acting a little unusually, but there are likely natural explanations before we go ...

I do so love an ostentatious comet. As I wrote in a recent “The Universe” column, when these dusty ice balls are billions of kilometers from the sun, they’re frozen solid. But as they near our star on ...

The past year delivered unprecedented discoveries in space. Astronomers uncovered clues about Mars, interstellar comets, exoplanets, and dark energy, captivating scientists and enthusiasts worldwide.

Astronomers say 3I/ATLAS offers a rare glimpse into material formed around another star, providing data that could reshape how scientists classify comets beyond our Solar System. When Comet 3I/ATLAS ...

A small, icy visitor from beyond the solar system is giving scientists an unusually close look at the chemistry that may help planets come alive. As the interstellar comet 3I/ATLAS sweeps past the Sun ...

NASA Releases Images of Comet 3I/ATLAS, Rejects Alien Spacecraft 'Rumors' By Will Dunham WASHINGTON (Reuters) -NASA released fresh images on Wednesday of the interstellar object called 3I/ATLAS that ...