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Perchlorate, a toxic substance found in Mars dirt, could help the bacterium Sporosarcina pasteurii strengthen bonds between particles of regolith.

NASA Administrator Jared Isaacman took Secretary of Defense Pete Hegseth for a ride over the Artemis 2 launch pad recently.

From Lego and stickers to hats and mugs, we've rounded up the best NASA Artemis 2 swag you can buy for the space and rocket fan in your life, everything from soup to nuts!

On Feb. 5, 1971, two Apollo 14 astronauts landed on the moon!

Some astronomers have noted that its faint magnitude "does not bode well for the comet's survival past perihelion."

Astronomers used James Webb Space Telescope data to determine the density of the universe's most mysterious "stuff."

"If our hypothesized dark charge is true, then we believe there could be a significant population of primordial black holes, which would be consistent with other astrophysical observations, and account for all the missing dark matter in the universe."

Find out what you can see in the night sky for tonight, from planets and stars to dazzling meteor showers.

"If reproduction is ever to occur beyond Earth, it must do so with a clear commitment to safety, transparency and ethical integrity."

"We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, and modeled potentially observable high-energy signals."