Astronomers have uncovered the long-hidden cause behind Betelgeuse’s strange behavior: a small companion star carving a visible wake through the giant’s vast atmosphere. Using nearly eight years of ...

Sneak peek on NASA exhibit on the Hubble and Webb space telescopes Saturday and Sunday; officially opens Wednesday and runs ...

Astronomers have discovered a new type of object that is a starless cloud that failed to form as a galaxy. Here's what to ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

Sneak peek on NASA exhibit on the Hubble and Webb space telescopes Saturday and Sunday; officially opens Wednesday and runs ...

A team of scientists has estimated that the Hubble Space Telescope could reenter Earth’s atmosphere and meet its fiery demise ...

NASA Hubble observations from late 2023 to early 2024 document measurable size, shape, and motion changes in Jupiter’s Great Red Spot over one oscillation cycle.

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

The Schmidts' philanthropic research organization will build a 3-meter space telescope and fund three ground-based facilities.

So from Morales’ location, the telescope’s passage across the Sun was so brief that missing the precise moment would have ...

NASA astronauts Tom Akers and Joe Tanner will be inducted into the U.S. Astronaut Hall of Fame on May 16 at Kennedy Space Center.

NEW YORK (AP) — NASA is cutting a mission aboard the International Space Station short after an astronaut had a medical issue ...