Amateur and professional astronomers pointed their telescopes at the impact site. Most did not detect anything.

The second stage of a Falcon 9 rocket, which sent two private landers to the moon last year, will collide with the moon early Wednesday morning.

Flaming chunks of metal crash into homes, farms and parking lots. Who’s to blame? And who pays for the damage?

A spacecraft meant to push NASA’s Swift Observatory to a higher orbit malfunctioned and started tumbling several days ago. Engineers think it can still succeed.

The end of July brings the Alpha Capricornids and the Southern Delta Aquarids, both of which will be most active on Thursday night into Friday morning.

Researchers at Caltech and Sophia Space, a start-up, have developed a technology using solar power to prevent computer equipment from overheating in orbit.

It was the 13th test overall of Starship. The success is a boon to NASA’s moon plans and SpaceX’s hopes to deploy a million data centers in orbit.

Charles Ross spent 50 years building “Star Axis,” a naked-eye observatory in New Mexico. Now his masterwork is ready. How to share it with a changed world?

It’s the first potentially habitable world known to host an atmosphere, making it a lead contender in the search for life beyond our solar system.

The 33 engines of the rocket’s booster stage had begun to ignite during Thursday’s launch attempt, but were then shut down. SpaceX will try again on another day.

The first tweets from the public appeared on July 15, 2006, several months after a soft launch. It was rebranded as X after being acquired by Elon Musk.

A New Jersey couple helped scientists uncover the makeup of an unusual asteroid after it fell into their bedroom.

It’s the first time a sugar molecule has been detected in interstellar space. The discovery provides tantalizing new clues into how life may have arisen on Earth.

Residents fear that the Trump administration’s plans to build a border wall will threaten the region’s spectacular starry skies.

Some shareholders might object, but there is little they could do, legal experts say.

The agency gave a rosy update on Artemis III, a test flight for its goal to return humans to the moon, but experts say the timeline is ambitious.

The agency gave a rosy update on Artemis III, a test flight for its goal to return humans to the moon, but experts say the timeline is ambitious.

NASA’s missions these days rarely feature all-male crews. Jared Isaacman, its administrator, said women play prominent roles throughout the space agency.

Elon Musk said he had initially given SpaceX less than a 10 percent chance of succeeding. His rocket company has come a long way.

Elon Musk said he had initially given SpaceX less than a 10 percent chance of succeeding. His rocket company has come a long way.