Mercury can be hard to spot, but late April 2022 is a great time as its the lone visible planet in the evening sky.

HELSINKI — A classified Chinese satellite has been tracked operating in a specialized orbit, six months after an anomaly during launch appeared to leave it stranded in an initial transfer orbit.

Israel punches above its weight in space science and exploration, as it does in most other arenas.

A tug-of-war between neighboring stars led to the formation of two strange types of red giant star, as seen in the eyes of a lost telescope.

As NASA pushes forward to get humans back on the moon, questions have emerged on what this means for the Space Force and what role it might play in lunar activities.

HELSINKI — A Long March rocket arrived at Wenchang spaceport Monday in preparation for a new round of space station missions starting May.

WASHINGTON — NASA cut short a third attempt to load propellants onto the Space Launch System for a countdown rehearsal April 14 after encountering several problems, including a hydrogen leak.

A NASA spacecraft orbiting Mars has spotted China’s Zhurong rover down on the surface, providing an epic overview of the vehicle’s travels through the red dirt.

The Hubble Space Telescope caught a galaxy on camera that underlies a much larger structure, known as the Virgo Cluster.

Astronomers in the future may not be able to build large complex power-hungry observatories if they want to reduce their carbon footprint in line with greenhouse gas emission requirements, a study suggests.

When the dinosaur-destroying asteroid collided with Earth 66 million years ago, massive amounts of sulfur — volumes more than were previously thought — were thrown high above land into the stratosphere, a new study finds.

NASA scientists have unsealed an extraterrestrial time capsule 50 years after astronauts collected the rock and dust from the moon and sealed it away before returning to Earth.

A circular shape on the seafloor visible on Google Earth is raising cries of “UFO,” but chances are … it’s not aliens. 

WARSAW, Poland — In a bid to secure a domestic launch capability, the Polish Space Agency (POLSA) signed a letter of intent with Virgin Orbit to use the U.S. company’s air-launched LauncherOne system as soon as next year.

WASHINGTON — Arianespace says it is working to remanifest payloads that were to launch on Soyuz rockets while SpaceX says it’s finding ways to accommodate new customers on its vehicles.

WASHINGTON — United Launch Alliance remains confident that its Vulcan Centaur rocket will make its first launch this year while Blue Origin is pushing back the first flight of its New Glenn vehicle.