Space News

NASA's Hubble Space Telescope resumed observations March 11 after a software error placed it in a protective safe mode several days earlier, but the incident is a reminder of the telescope's mortality. SpaceNews

NASA's first Space Launch System megarocket will fire up its main engines in a critical test next week on March 18.

The Expedition 64 crew had a busy science day observing worms, readying small satellites for deployment, and conducting vision tests....

Astronomers have painted their best picture yet of an RV Tauri variable, a rare type of stellar binary where two stars--one approaching the end of its life--orbit within a sprawling disk of dust. Their 130-year dataset s...

NASA has awarded contracts to Thales Alenia Space France of Cannes, France, and Thales Alenia Space Italia S.p.A. of Rome, Italy, under the On-Ramp feature of the Rapid Spacecraft Acquisition IV (Rapid IV) contract.

As people in the UK were settling down to watch the late evening news on February 28, a fresh news story, quite literally, appeared in the night sky.

Radar satellite startup Umbra plans to capture imagery with a resolution as high as 15 centimeters per pixel thanks to a Federal Communications Commission license. SpaceNews

There are many paths to the Moon, and not all of them go through the Lunar Gateway. This week, the heads of the Russian Space Agency (Roscosmos) and the China National Space Administration (CNSA) signed an agreement to c...

A team of physicists has proposed a clever plan to concoct a quantum theory of gravity: refine an age-old technique, and use it to probe the tiniest scales in the universe.

The tail is invisible to the naked eye but appears on all-sky cameras during every new moon.

Scientists have long theorized that supermassive black holes can wander through space--but catching them in the act has proven difficult.

Three residents of the International Space Station will take a spin around their orbital neighborhood in the Soyuz MS-17 on Friday, March 19, relocating the spacecraft to prepare for the arrival of the next set of crew m...

Astronomers spotted a possible searing-hot planet orbiting Vega, one of the brightest and most famous stars in the sky.

Bobbie Draper and Chrisjen Avasarala face a final threat in the climax for Boom! Studios' "The Expanse" miniseries comics event.

Researchers at UCL have solved a major piece of the puzzle that makes up the ancient Greek astronomical calculator known as the Antikythera Mechanism, a hand-powered mechanical device that was used to predict astronomica...

Harvard-Smithsonian Center for Astrophysics:

Red giant stars are, well, red and giant. But astronomers have always had difficulty estimating their temperatures, due to their complex and turbulent atmospheres. Without an accurate gauge of their temperatures, it’s ...

France on Friday prepared to simulate an attack by a hostile power on one of its satellites in a war game scenario the government said is less outlandishly futuristic than it may seem.

Ultraluminous infrared galaxies (ULIRGs), powered by starburst activity and often with supermassive black holes accreting material at their nuclei, contain large reservoirs of molecular gas. This is to be expected: Molec...

NASA's Goddard Space Flight Center:

Video: 00:03:45 French ESA astronaut Thomas Pesquet will soon begin his second mission to the International Space Station. Called Alpha, the mission will begin with the second operational flight of the SpaceX Crew Dragon...

Globular clusters are old and dense star systems in the Galaxy halo and bulge. Their average age is almost equal to the age of our universe.