Maintaining reliable communication during space missions is critical. Future missions—especially crewed missions to Mars—are ...

The night sky may soon acquire a switch. A California startup plans to send an enormous, steerable mirror into orbit and use it to bounce sunlight onto selected patches of Earth after sunset. On July ...

Now is your chance to see a comet that takes more than five years to return to Earth's cosmic neighborhood. Here's what to know about Comet 10P/Tempel 2.

NASA has changed the launch vehicle for its Sun Radio Interferometer Space Experiment (SunRISE) mission, selecting SpaceX’s ...

Katalyst Space's Link spacecraft has sent its first in-orbit images while en route to save NASA's Swift Observatory, marking ...

Fresh images from orbit mark an important step in an ambitious mission that aims to give one of NASA's longest-running space observatories a new lease of life.

LEGO's Hubble Space Telescope opens to reveal its 1,252 pieces, internal optics and launches in Australia on 1 August for ...

Astronomers have detected a type of sugar in space that’s also found in raspberries. The sugar, called erythrulose, lurks in ...

Physics and astronomy students visited Great Basin Observatory to connect classroom research with hands-on experiences in ...

Light pollution from proposed satellites will likely hinder ability to see celestial bodies at night and could impact ...

The team refers to the Legacy Survey of Space and Time (LSST) as a 10-year-long movie of the universe, and they're right. The ...

Advocates say the Sacramento Mountains site could still be used for research, education and astrotourism after a mercury leak ...