Space News & Blog Articles

Sections of the Orion spacecraft tasked with flying four astronauts around the moon during the Artemis 2 mission have been joined together. The mission is set for no earlier than late 2024.

The Ancient Romans constructed hundreds of forts near their eastern borders in modern-day Syria and Iraq. Declassified spy satellite imagery spotted the forts and may shed light on the battlements' purpose.

A better understanding of exoplanet orbits is helping SETI astronomers reduce their computational costs and conduct their search for intelligent aliens faster.

A Long March 2F rocket lifted off from the Jiuquan Satellite Launch Center in the Gobi Desert today (Oct. 25), carrying the Shenzhou 17 spacecraft and its crew into orbit.

Russian cosmonauts Oleg Kononenko and Nikolai Chub got an up-close view of a coolant leak flowing from an external radiator while conducting a spacewalk outside of the International Space Station.

A new climate report finds humanity is pushing Earth's systems into "dangerous instability."

Watch the partial lunar eclipse on Oct. 28 live here on Space.com. We've also rounded up some of the best livestreams for watching the moon enter Earth's shadow.

A best-case projection that meets ambitious Paris Accord targets suggests the West Antarctic Ice Sheet will melt three times faster in the 21st century than it did in the 20th.

Images released by the European Southern Observatory may reveal why Betelgeuse dimmed in 2019.

Scientists used the new Owens Valley Radio Observatory Long Wavelength Array (OVRO-LWA) in California to capture radio images of October's annular eclipse.

A Long March 2D rocket launched into the night sky above the Xichang Satellite Launch Center in southwest China on Oct. 23, carrying three more Yaogan 39 satellites to orbit.

China has revealed its latest crew of astronauts set for a six-month-long mission to the Tiangong space station today.

NASA's ILLUMA-T demonstration terminal is set to launch to the International Space Station to complete the space agency's first two-way laser communication relay system.

SpaceX loaded its latest Starship prototype with supercold propellant on Tuesday (Oct. 24), notching a key milestone ahead of the vehicle's upcoming test flight.

SpaceX has asked the U.S. Federal Aviation Administration to correct a report warning that components from reentering Starlink constellation satellites could injure or even kill people on the ground.

Scientists have wondered why Mars' core can be so big and light at the same time. Two new studies might have an explanation.

NASA and electric car maker Canoo revealed the interior of the vehicle that will ferry Artemis moon astronauts to the launch pad.

Two Russian cosmonauts will go outside the International Space Station today (Oct. 25) to investigate the source of a coolant leak that sprang up on Oct. 9. You can watch the webcast live.

Thanks to NASA's Curiosity Mars rover, geologists have discovered evidence for ancient rivers on the Red Planet hiding in plain sight, suggesting the planet once had the right conditions for life.

The U.S. Postal Service is granting priority status to the James Webb Space Telescope with two 2024 Priority Mail postage stamps, each featuring a cosmic image captured by the deep-space observatory.

The first efforts toward simulating all components of the universe fail to resolve the S8 tension. Is the standard theory of cosmology in trouble?