Mountain ranges, volcanic plains, and lots of craters make the Moon a target you’ll return to again and again.

Proba-3 creates artificial solar eclipse to study Sun's corona. Two ESA satellites fly in precise formation to reveal the sun ...

Early this morning, the raised, flat lava plain of Wargentin is stands out near the large crater Schickard in the lunar ...

Starlink interference is swamping protected frequencies, threatening astronomers' ability to unlock secrets of the early universe.

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

August brings Saturn and Neptune together, offers two shadow transits of Titan, and sees a conjunction of Venus and Jupiter.

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

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

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

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.

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

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