Kenneth Chang

The policy aims to greatly increase the number of spacecraft launches and re-entries.

A reworking of the spacecraft’s power systems could extend the nearly 50-year-old Voyagers’ exploration of interstellar space into the early 2030s.

Although amateur and professional astronomers pointed their telescopes at the impact site, there were no obvious signs of a collision — at least not yet.

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.

The awards are bestowed only once every four years to mathematicians under the age of 40.

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.