Stories by SPACE.com

The surprisingly bright galaxy, called HD1, may contain some of the universe’s first stars, as well as a supermassive black hole

Axiom Space’s visit to the International Space Station is a milestone for commercial human spaceflight

Called Earendel, the star is nearly 13 billion light-years from Earth

Three decades after it began, the exoplanet revolution shows no sign of slowing down

The aircraft’s sorties are helping NASA’s Perseverance rover scout a path into an ancient Martian river delta

With its mirrors now focused, the observatory’s science instruments are now being readied for work

The eminent astrophysicist changed the way we view our home star

Citing the military invasion of Ukraine, the world’s leading organization for particle physics research has paused its work with Russia

The Rosalind Franklin rover was set to embark for Mars later this year, but the deteriorating relationship between Europe and Russia now makes that very unlikely

Proxima d might be only a quarter the mass of Earth, potentially making it one of the smallest worlds yet discovered beyond our solar system

The space agency has announced the timing of the ISS’s demise as part of a long-planned transition to private orbital outposts

The Trojan asteroid 2020 XL5 is projected to linger in our planet’s vicinity for the next 4,000 years

Despite efforts to reduce light pollution from the satellites, their disruptions of astronomical observations are increasing at an alarming pace

The atom interferometry technique uses the effects of time dilation to reveal subtle changes in gravity’s strength

The rover’s latest sample collection—an effort to gather material for eventual return to Earth—is off to a rocky start

The successful unfurling of the five-layered, tennis court-sized assemblage is a major milestone for the new observatory

The launch will now occur no earlier than Christmas Day

A communications glitch between the observatory and its launch vehicle forced the delay, NASA officials say

The Imaging X-ray Polarimetry Explorer will probe the physics behind black holes, neutron stars and other dynamic cosmic objects

After some two decades of development, the orbital observatory is set to at last reach space on December 22

At long last, researchers have glimpsed ghostly particles produced by CERN’s Large Hadron Collider

“The test has so far generated over 1,500 pieces of trackable orbital debris,” a State Department spokesperson said

The giant planet’s hefty gravitational tug helps explain a spate of recent asteroid strikes

A new virtual model of our planet could help resolve lingering climatic uncertainties