A comet dubbed NEOWISE is visible this week to the naked eye. It's the first visible comet of 2020. The comet, officially known as C/2020 F3, was spotted by NASA's NEOWISE satellite in March as it ...

A rare opportunity to see not one but two comets awaits skygazers this October. We show where and how to view them.

This newly discovered comet could soon glow bright enough for the naked eye as it sweeps through October's morning and ...

Astronomers just caught a rare glimpse of an interstellar comet as it zoomed past Mars. Images of the object, dubbed 3I/ATLAS, were captured by two of the the European Space Agency's Mars orbiters -- ...

Though it won't become any brighter, Comet SWAN will reach its closest point to Earth on Oct. 20, coming within 24 million ...

Skywatchers are in for a rare treat this October as Comet SWAN and Comet Lemmon approach Earth, potentially visible on the ...

Interstellar comet 3I/ATLAS is just the third such object ever confirmed to have entered our solar system. It has attracted ...

The European Space Agency's ExoMars orbiter has captured the closest view yet of the interstellar comet 3I/ATLAS. The images ...

Comets Lemmon and SWAN are not yet at their best, but you can get a glimpse of them using binoculars and telescopes before ...

Only discovered in September, Blueish-green Comet SWAN (C/2025 R2) is destined to become visible to observers at mid-northern ...