It has been a few years since we’ve seen a decently bright comet grace the nighttime sky, but one is now passing through our celestial neighborhood. It certainly won’t compare to the rare cosmic ...

Material around Chiron, a small icy world in the far reaches of the solar system, may be taking shape into a ring system of ...

"In space, you get almost unlimited, low-cost renewable energy," Philip Johnston, cofounder and CEO of Starcloud, said in a ...

Born Oct. 23, 1893, in Estonia, Ernest Opik was based at the Astronomical Observatory in Tartu from 1921-1944. It was there ...

Astronomers believe 3I/ATLAS, a fast-moving interstellar object, may be a 10-billion-year-old relic from the galaxy’s ...

Two bright green comets are streaming through the skies and are visible to skygazers in the Northern Hemisphere.

Jupiter, may soon encounter a unique scientific opportunity. The interstellar comet 3I/ATLAS is about to cross the path of ...

Comets Lemmon and SWAN are making their closest approach to the Earth tonight, Oct. 21. Here's how you might see them with ...

Comet Lemmon, a rare astronomical event that won’t happen again for 1,000 years, is set to light up our skies later this week ...

Late October offers a meteor shower generated by Haley's Comet plus a once in a lifetime comet that streaks by Earth every ...