8. Speaking of sunlight, it’s composed of approximately 40 percent light, 50 percent heat, and 10 percent ultraviolet ...

Gilmour TestFlight1 launch failed, lasting just 14 seconds — but the company calls it “a huge step forward” for Australia's space future.

The solar system’s most distant planet sits 1.1° due north of Saturn, placing them together in a single telescopic field of view all night.

NASA is fast-tracking plans to deploy a nuclear reactor on the lunar surface by 2030 as a strategic imperative to prevent ...

If you head out before sunrise (say, about 5 a.m. local time) and look eastward during the next few days, you’ll see ...

Neil Alden Armstrong was born on Aug. 5, 1930, in Ohio. A naval pilot from 1949 to 1952, Armstrong flew 78 missions in Korea.

Asteroid Vesta stands in line with two of Libra’s stars this evening, making the trio an easy-to-spot target in binoculars or any telescope.

Science pulls the famed 2011 'arsenic life' study on GFAJ-1, reigniting debate over scientific standards and editorial ...

USSF-106 mission launches a navigation satellite for the U.S. Space Force, flanked by six other commercial and international ...

In this episode, Astronomy magazine Editor Dave Eicher invites you to head out on the morning of August 13 to see the bright planets Venus and Jupiter close together low in the eastern sky. This ...

A brightening Moon limits deep-sky options, but this cluster never fails to disappoint: M13, the great globular in Hercules the Strongman.