The school-bus-sized observatory launched on April 24, 1990 and overcame early setbacks to become one of the most ...

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

Tech expert Kurt “CyberGuy" Knutsson says 329,000 mph fusion rocket promises to be fast, disruptive and enable deep-space ...

Using data from space telescopes and other instruments, astronomers, cosmologists, and astrophysicists are able to deduce and ...

An international team including astronomers from the Center for Astrophysics | Harvard & Smithsonian (CfA) has announced the ...

This week, learn why experts are divided over an exoplanet, see the first footage of a colossal squid in its deep-sea habitat ...

The planet orbits its host star in just 30.5 hours, losing a mass of material roughly equal to Mount Everest each time ...

Astronomers may have found the strongest hint of life beyond Earth thanks to new data from the James Webb Space Telescope.

The next supermoon is expected to reach its closest distance to Earth along its orbit. But even without clouds in the sky, it ...

Super-Earths can exist in wider orbits around their parent stars than was previously believed, suggesting these Earth-like ...

The gorgeous Eagle Nebula is one of the most iconic objects in the cosmos, known affectionately as the Pillars of Creation.