For a few months, Earth had a second moon — a tiny asteroid that may have been a piece of our own Moon ...

In a letter to his replacement, outgoing NASA leader Bill Nelson emphasizes the agency’s activities ‘transcend the length of ...

Shares of Intuitive Machines ( LUNR 3.20%) are flying Friday. The stock had gained 4.4% as of 2:50 p.m. ET, but was up as ...

The Houston company is one of nine — including major names like Blue Origin — that received a contract in January.

As companies like SpaceX and Virgin Galactic make waves in space tourism, how long does the rest of the world have to wait ...

Stargazers who haven't had a chance to check out this month's planet parade will want to look up soon because there's ...

Skywatchers can spot Venus, Saturn, Jupiter and Mars in the night sky with the naked eye, but two other planets might need a telescope to be seen.

NASA's Curiosity rover has made a groundbreaking discovery on Mars by uncovering pure sulfur crystals within a broken rock.

To comply, NASA has sought to sanitize Mars rovers at a threshold of no more than 300,000 bacterial spores on any surface.

On this date, Jan. 24, 1986, Voyager 2 began beaming images from Uranus, giving scientists unprecedented data and insights about the solar system’s seventh planet. Information from the probe showed ...

In the United States, funding for planetary defense has long had strong bipartisan support both inside and outside of ...