Year? A light-year is the distance light travels in one year. Light moves incredibly fast — about 186,000 miles (300,000 ...

Comets are icy bodies that formed alongside the planets in the early Solar System before being flung into its distant outer ...

Students, professors, alumni and stargazers alike gathered to celebrate the life and legacy of Carl Sagan in a 90th birthday celebration hosted by the Carl Sagan Institute.

Hurricane Helene struck the Florida coast with fierce winds and devastating rain. However, the effects of the storm did not ...

Poet, activist, and educator Nikki Giovanni, 81, died on December 9. She used language as a tool to inspire, celebrate, and ...

For decades, the Milky Way has been used as a key to unlocking the mysteries of galaxy formation. But is it truly a typical ...

It’s back: Astronomy magazine’s free downloadable Sky Guide, your preview of everything happening in the sky next year. Mars opens 2025 by reaching opposition the night of Jan. 15/16 ...

New findings suggest that an extraordinarily powerful and dangerous burst of radiation might flare from our sun in the future. By Katrina Miller The shower forms from the debris of an asteroid ...

Dec. 9, 2024 — A NASA Hubble Space Telescope observation program called OPAL (Outer Planet Atmospheres Legacy) obtains long-term baseline observations of Jupiter, Saturn, Uranus, and Neptune in ...

In 1874, James Nasmyth and James Carpenter published a remarkable book: The Moon: Considered as a Planet, a World, and a Satellite. Lavishly illustrated with spectacular images of lunar features ...