Kenneth Chang

Physicists have debated which way a submerged sprinkler sucking in water would spin. Careful experiments provide an answer.

A space neophyte not long ago, China is now the United State’s main competitor for supremacy throughout the solar system.

As part of plans to establish a lunar base, the space agency may send to the moon a spare test version of the rover — as well as a soccer ball.

A rescue mission will soon be underway for NASA’s Swift telescope.

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

NASA’s next mission in its effort to return humans to the moon will be led by an all-male crew. Three of them have extensive experience in space, while the other was a backup on Artemis II.

The rocket, built by Jeff Bezos’ space company, was to carry 48 satellites into space. Blue Origin reported on social media that “all personnel have been accounted for.”

The contracts, announced on Tuesday, are part of the space agency’s efforts to establish a moon base.

If a problem with the launch tower is fixed, SpaceX will try to launch on Friday evening.

A gradual dimming and brightening when a star passed behind it suggested the mini-Pluto was wrapped in a thin layer of air.

The space agency is counting on Jeff Bezos’ company to deliver equipment essential to the next moon landing, only two years away.