Astronomers using the James Webb Space Telescope have found an unknown moon orbiting Uranus, bringing the planet’s total to ...

NASA's Artemis II mission, set to send four astronauts on a nearly 10-day mission around the moon and back, will advance the ...

The "black moon," a rare phenomenon that occurs during a new moon phase of the lunar cycle, will occur this weekend. But don't get your hopes up too much, scientists say, because it will be ...

From nearly 290 million kilometers away, NASA’s Psyche spacecraft turned its gaze homeward and captured an arresting glimpse ...