NASA plans to prioritize the fission reactor as power necessary to extract and refine lunar resources.

A pair of solar eruptions may combine into a powerful "cannibal CME," boosting chances for dazzling auroras over Labor Day.

The Aurigid meteor shower hails from debris of the comet C/1911 N1 Kiess, which last visited the inner solar system 2,000 years ago.

With that statement, posted to social media, SpaceX wrapped another launch in support of its broadband internet satellite megaconstellation on Sunday (Aug. 31). The 28 Starlink satellites ( Group ...

The total lunar eclipse will begin globally at 11:28 a.m. (1528 GMT) on Sept. 7, with totality occurring at 1:30 p.m. ET (1730 GMT) and stretching on for a staggering 82 minutes before the deepest ...

Think you know Pluto? From icy plains to planetary debates, this quiz dives deep into the mysteries of our solar system’s most controversial—and captivating—dwarf planet.

"JUICE will use the gravity of Venus this week to bend its orbit around the sun and gain speed relative to Earth without using fuel," ESA wrote in the Aug. 25 statement. "JUICE will use the Earth ...

An executive order (EO) signed by President Trump on Thursday (Aug. 28) — just before millions of Americans began their Labor ...

New videos give us multiple angles of Ship's Flight 10 splashdown, and they show us the toll that reentry took on the vehicle ...

On Episode 175 of This Week In Space, Rod Pyle and and Tariq Malik are joined by by Daniel Selva to talk about crew ...

Starship's giant first-stage booster, named Super Heavy, has performed better as of late. For example, the booster ...

Stargazers will need a clear view of the western horizon to spot the moon near Spica as the sun sets on Aug. 27.