Space

Regular high-energy pulses of gamma-ray radiation emerging from around the Milky Way's central black hole may be coming from a blob of matter whipping around at 30% the speed of light.

Astronomers have discovered a new type of "aurora" created by falling SpaceX rocket boosters that punch temporary holes in the ionosphere. Experts are concerned that these blood-red light shows could be causing unknown problems for astronomy and communication.

Was Apollo 8's iconic view of the Earth rising above the moon more impactful than the Apollo 11 moon landing? A historian digs into the details.

Hydrogen detected in Apollo-era moon rocks suggests that future astronauts could harvest water available right on the moon to use as rocket propellant and for life support.

The Supergalactic Plane we are located in doesn't have many spiral galaxies like the Milky Way. Astronomers think they finally know why galaxies like ours are so rare.

The full 'Beaver Moon' will be best viewed as it rises in the east at dusk on Monday, Nov. 27, though it will appear full on Sunday and Tuesday as well.

Deal The Celestron Astro Fi 102mm f/13 Maksutov-Cassegrain Telescope is 17% off right now at Amazon and B&H Photo.

A sample of galaxies dating to the first 2 to 3 billion years of the universe contain much heavier elements, and appear to be far hotter, than scientists expected.

Researchers recently detected an "ultra-high-energy" cosmic ray, which is the most powerful since the famous "Oh My God" particle was detected in 1991. They have no idea where it came from.

The James Webb and Hubble space telescopes have combined forces to image a cluster of galaxies 4.3 billion light-years away in one of the most colorful pictures of the universe ever taken.