NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

The new study involved taking a fresh look at the "Altamura Man," which is an exceptionally well-preserved Neanderthal skeleton covered in a thick layer of calcite, sometimes called "cave popcorn." The researchers' findings suggest that the size of Neanderthal noses might not have had anything to do with living in cold temperatures.

A NASA astronaut's estranged wife pleaded guilty to lying to law enforcement over a crime she alleged was committed in space in 2019, prosecutors said.

Katalyst Space Technologies will use Northrop Grumman's air-launched Pegasus rocket for its upcoming mission, which will send a spacecraft to boost the orbit of NASA's Swift space telescope.