The first crewed test flight under NASA’s Artemis program is underway. Four Artemis II astronauts are flying aboard NASA’s Orion spacecraft around the Moon and back, as they test how the spacecraft’s...

The team’s ultra-precise measurement confirms the Standard Model’s predictions.When fundamental particles are heavier or lighter than expected, physicists’ understanding of the universe can tip into the...

Water likely accumulated on the moon slowly over billions of years, rather than during one big event, according to a new study by an international team of scientists. The researchers, including Paul Hayne, a...