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 ...

It could mean two bright comets will be visible in the night sky at the same time, on the peak night of a meteor shower. Comet C/2025 R2 (SWAN), or SWAN R2 for short, was discovered on Sept. 12 by ...

Skywatchers are in for a treat this October. Two comets, C/2025 R2 (SWAN) and C/2025 A6 (Lemmon), may become visible to the naked eye. Both comets will approach Earth around October 21. The Orionid ...

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 ...

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 ...

The interstellar comet 3I/ATLAS, a rare visitor from outside the Solar System, might have been spewing gases for months before it was spotted by astronomers 1. Telescopes around the world swivelled to ...

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

One of the best naked-eye stargazing sights of the year is on offer to skywatchers this week — if you can rise before the sun Friday (Sept. 19). Just before sunrise, the crescent moon, the brilliant ...