A senior Russian official said commercial satellites, if used to aid the Ukrainian war effort, could become “legitimate targets,” prompting the U.S. response.
The iconic arms of the Eagle Nebula are zombie-skin blue in this view from the MIRI tool.
Women have come so far in the male-dominated field, but there's still more work to be done.
Boeing slipped down on NASA’s vendor list and Starliner has now cost it nearly $900 million, making for a double-whammy of developments.
The NASA lander is on its last legs, but it's still revealing details about Mars’ volcanism, seismology, and even recent meteorite impacts.
The images, showing the orbs separated by the brooding darkness of space, were taken as the Lucy spacecraft came by for a gravitational assist.
LEO, GEO, L2, SSO—oh my! The many types of useful orbits can get complicated fast, but our handy guide will help you make sense of it all.
Experts say it's a near certainty that China's Long March 5B rocket will perform an uncontrolled reentry following an expected launch next week.
Navigation satellites are typically located in medium Earth orbit, but bringing them closer could result in greater accuracy—and heightened space traffic.
Made from ceramic fiber, the inflatable decelerator can be packed into a tight space and inflated for atmospheric reentry.
These merging galaxies look slightly different, depending on which telescope you use.
A resilient microbe is boosting researchers’ hopes for life on Mars.
The experimental mission to test China's reusable spaceplane continues to unfold in unexpected ways.
Earth's upper atmosphere is becoming less dense as the planet warms, leaving satellites in orbit longer and increasing collision risks, new research suggests.
OneWeb cancelled launches aboard Russia's Soyuz rocket following the country's invasion of Ukraine.
Russia won't be providing ESA with a lander for its Mars rover, so the space agency wants to build one itself and acquire the needed funds to make it happen.
The space agency ordered three additional Orion spacecraft from its commercial partner Lockheed Martin for nearly $2 billion
A strand of hair briefly disrupted the recent SpaceX Crew-5 launch, showcasing the perils posed by even the most innocuous of objects.
Astronomers say this extra-fluffy planet swings around its star once every three and a half days.
The rocket was ordered to self-destruct 10 minutes into the mission, resulting in the loss of all eight satellites on board.