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

The exoplanet K2-18b is generating headlines because researchers announced what could be evidence of life on the planet. The ...

Using NASA's Transiting Exoplanet Survey Satellite (TESS), an international team of astronomers have detected a new ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home.

In celebration of 35 years spent in orbit around Earth, the Hubble team has released a set of four new images showing the ...

Space exploration missions have revealed that polar vortices aren’t uncommon beyond Earth. They’ve been observed throughout ...