Space News

Cosmic rays coming from ultrapowerful sources in the distant universe can pose risks to humans on Earth -- particularly frequent air travelers, who are routinely exposed at the high altitudes of commercial flights.

Wildlife and environmental groups sued the Federal Aviation Administration on Monday over SpaceX's launch last month of its giant rocket from Texas.

As multiple new rockets move towards testing and some to operations, America's limited number of coastal spaceports have become the choke point. We must increase the productivity of our existing launch sites in a non-lin...

When it comes to cosmic eye candy, planetary nebulae are at the top of the candy bowl. Like fingerprints--or maybe fireworks displays--each one is different. What factors are at work to make them so unique from one anoth...

Science educator Bill Nye reflects on his newest series 'The End Is Nye,' the success of NASA's DART mission and how he stays optimistic about fighting climate change.

A coalition of environmental groups is suing the U.S. Federal Aviation Administration, claiming the agency didn't fully analyze the environmental damage that SpaceX's Starship could cause.

Four crew members aboard the International Space Station will relocate their SpaceX Dragon spacecraft's docking port Saturday, May 6, to make way for the arrival of an upcoming cargo spacecraft.

Leaders of the House Armed Services Committee are raising concerns about the Defense Department's plan to procure space launch services beginning in 2025. They are questioning whether the proposed strategy, known as Nati...

One of the world's most powerful radio telescope arrays is joining the hunt for signals from other galactic civilizations. The National Science Foundation's Karl G. Jansky Very Large Array (VLA), situated about 50 miles ...

The moon will darken but not completely disappear as it slips into Earth's outer shadow on Friday (May 5), creating a penumbral lunar eclipse.

It was an exciting time when, two weeks ago, SpaceX got the clearance it needed to conduct its first orbital flight test with the Starship and Super Heavy launch system. After years of waiting, SN flight tests, static fi...

Last week, NASA shared a blog post saying they detected a sensor glitch associated with the James Webb Space Telescope's Mid-Infrared Instrument (MIRI). For some reason, the sensor for MIRI's Medium Resolution Spectrosco...

Mobile phones are so ubiquitous that we typically don’t think about how they work. They just do, much to our benefit, and sometimes annoyance. But the key to their function is a vast array of radio transmission towers....

GJ 486 b is about 30% larger than the Earth and three times as massive, which means it is a rocky world with stronger gravity than Earth. It orbits a red dwarf star in just under 1.5 Earth days. It is too close to its st...

A team of space scientists with the Chinese Academy of Sciences, at both the Purple Mountain Observatory and the National Astronomical Observatories, has found that the traditional view of the Milky Way galaxy as having ...

Understanding why cats land on their feet has vexed scientists for centuries.

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers has discovered two "super-Earth" exoplanets orbiting a nearby M-dwarf star known as TOI-2095. The newfound alien worlds have...

Veteran parabolic flight pilot Eric Delesalle sits down with Space.com to talk about what it takes to create weightlessness and lunar gravity in a plane.

Something is shaking on the moons of Jupiter and Saturn as moonquakes are linked to landslides that smooth out icy surfaces of bodies like Europa and Enceladus.

A radar antenna on a European mission to Jupiter has yet to fully deploy after launch, although project officials say they still have plenty of options to fix the problem. The post ESA troubleshooting JUICE radar antenna...

SpaceX launched the Americas-focused ViaSat-3 broadband satellite on a Falcon Heavy rocket April 30 following delays partly caused by severe weather that included lightning and tornado warnings. The post SpaceX Falcon He...