The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...
NASA hopes to launch its crewed Artemis 2 moon mission in early February, but everything will have to go right to hit that ...
As the four-person crew of Artemis II prepares to launch on a historic mission around the moon as soon as February, some experts are worried about the Orion spacecraft’s heat shield.
Researchers believe the “quasi-satellite” has accompanied Earth since 1957.
Calls for the United States to return astronauts to the moon before the end of the decade have been increasingly loud and frequent, emanating from bipartisan lawmakers and science advocates alike. But ...