The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

Voyager 1, NASA’s deep-space probe, could soon become the first spacecraft to reach a historic milestone. In November 2026, the probe will be one light-day from Earth.

Imagery of Saturn captured by the James Webb Space Telescope is superimposed over an image captured by Hubble. "Yellows ...

Astronomers have sighted the oldest known stellar explosion, dating back to when the universe was less than a billion years ...

More studies are needed to determine whether TRAPPIST-1e has an atmosphere at all, or the hints of methane are linked to the host star.

NASA's Hubble Space Telescope caught a glimpse of 3I/ATLAS – again. Here's a look at the latest photo of the intriguing ...

NASA's Jonny Kim and two cosmonauts are scheduled to land just after midnight on Tuesday (Dec. 9). Three astronauts will come ...

Light pollution from the exploding number of satellites orbiting Earth is making it harder to peer into space.

Plus, the Geminid meteor shower peaks on the night of Dec. 13-14, and the winter solstice arrives Dec. 21 at 10:03 a.m.

Scientists have detected what they believe to be lightning on Mars by eavesdropping on the whirling wind recorded by NASA's ...