Earth object 1998 SH2, initially thought to be an asteroid, is actually a faintly active comet releasing gas and dust.

Add Yahoo as a preferred source to see more of our stories on Google. Amateur astronomer Dan Bartlett recently captured C/2025 K1 (ATLAS) from June Lake, Calif. He described it as having a ...

The ESA/NASA Solar and Heliospheric Observatory (SOHO) captured comet Comet 96P/Machholz latest flyby of the Sun. See a ...

The Gaia mission has allowed researchers to understand the motions of stars like never before, even revealing possible interactions between our solar system and nearby stars. Planetary Science ...

Now is your chance to see a comet that takes more than five years to return to Earth's cosmic neighborhood. Here's what to ...

NASA released close-up images on Wednesday of the rare interstellar comet that's making a single pass through the solar system. One of the images shows the comet, also known as 3I/ATLAS, as it moves ...

A fresh analysis of Comet 41P/Tuttle-Giacobini-Kresák observations suggests it abruptly reversed its spin after its last Earth flyby—an extreme and unprecedented change. Reading time 3 minutes The ...

"This comet was not supposed to survive its Oct 8th perihelion (0.33 AU)," Bartlett told SpaceWeather.com. "But it did survive, and now it is displaying a red/brown/golden color rarely seen in comets.

NASA released close-up images on Wednesday of the rare interstellar comet that's making a single pass through the solar system. One of the images shows the comet, also known as 3I/ATLAS, as it moves ...