Here's the most important information if you want to glimpse the Leonids this November.

The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

Some seriously large asteroids have threatened Earth before. Some of these asteroids have little chance of hitting us but there are a few with very real chances of making contact. Watch the full ...

Many comets visit the solar system fairly often, at least on a cosmic timescale. Halley's Comet, for instance, whizzes past ...

NASA and the European Space Agency’s Solar and Heliospheric Observatory (SOHO) spotted Comet C/2024 S1 (ATLAS) as it made its ...

In 2023, a green comet that last visited Earth 50,000 years ago zoomed by the planet again. Other notable flybys included Neowise in 2020, and Hale-Bopp and Hyakutake in the mid to late 1990s.

In 2023, a green comet that last visited Earth 50,000 years ago zoomed by the planet again. Other notable flybys included Neowise in 2020, and Hale-Bopp and Hyakutake in the mid to late 1990s.

“It was kind of like a faint green dot in the lower right ... organization Chicago Astronomer. The comet has been hurling its way toward Earth’s view for roughly 80,000 years at estimated ...

In 2023, a green comet that last visited Earth 50,000 years ago zoomed by the planet again. Other notable flybys included Neowise in 2020, and Hale-Bopp and Hyakutake in the mid to late 1990s.

Comet C/2023 A3 Tsuchinshan-ATLAS is traveling past Earth. The comet is “a celestial wanderer that’s been on an 80,000-year-long odyssey,” Earth.com said. It has been eons since it was seen ...

Both the comet and a near-full supermoon will be visible across the U.S. tonight. Kyle Green/AP The next full ... the moon's elliptical orbit around Earth remains roughly fixed as both the Earth ...

In 2023, a green comet that last visited Earth 50,000 years ago zoomed by the planet again. Other notable flybys included Neowise in 2020, and Hale-Bopp and Hyakutake in the 1990s, according to ...