The gas giant Jupiter will appear to reverse direction in the night sky from tonight (March 10) onward, bringing an end to ...

March's third, or final quarter moon phase will occur at 5:39 a.m. EDT (0939 GMT), as the moon appears in Earth's sky with its left half illuminated by direct sunlight and its rig ...

The Hubble and Euclid space telescopes caught a stunning portrait of a dying star at the heart of the Cat's Eye Nebula.

The new funds will go toward the development and production of Delphi, Lux Aeterna's prototype reusable satellite platform. The vehicle, which is about 3.6 feet (1.1 meters) wide and weighs 440 pounds ...

Jupiter's moons can have surprising effects on the world's displays of auroral lights by "stomping down" on the planet's gigantic magnetic environment. These surprising effects, detected in ...

Now he’s brought his potent filmmaking toolbox to "War Machine," a new Netflix sci-fi thriller starring "Reacher's" imposing specimen Alan Ritchson, which smashed onto Netflix o ...

The first-ever launch of SpaceX's upgraded Starship rocket is about a month away, CEO Elon Musk says.

"Over time, such a small change in an asteroid's motion can make the difference between a hazardous object hitting or missing our planet." ...

"ULA’s Centaur (with minor modifications) is the only existing in-space propulsion stage capable of meeting the SLS upper stage design parameters and performance characteristics, while also meeting ...

"The risk of harm coming to anyone on Earth is low — approximately 1 in 4,200." When you purchase through links on our site, ...

A newly discovered comet is rapidly brightening and could become visible from Earth — if it survives an extreme close encounter with the sun on April 4.

A meteorite has crashed through the roof of a house after thousands observed a stunning fireball streak across the sky in ...