The northern hemisphere is displayed in this global view of the surface of Venus as seen by NASA Magellan spacecraft. This is a NASA Hubble Space Telescope ultraviolet-light image of the planet Venus, ...

Mercury joins the night sky to complete a 7-planet alignment just after sunset for the end of February. Saturn leaves our ...

The success of SpaceX and other private-sector space firms is throwing up hard questions about America's "great national ...

This artist’s concept shows NASA’s OSIRIS-REx spacecraft descending towards asteroid Bennu to collect a sample of the ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

This plate, with identification number H335H ("Hooker plate 335 by Hubble"), is famous for having led to his discovery of the first Cepheid variable star in M31, which established beyond any doubt ...

An ultra-deep image from the National Science Foundation's Dark Energy Camera reveals a wide variety of galaxies in the ...

NASA's achievements, from the iconic Apollo missions to the James Webb Telescope, have redefined space exploration and ...

Hubble's discovery of expanding galaxies confirmed the universe's vastness, laying the foundation for the Big Bang theory and ...

The program’s overall contract is worth up to $4.82 billion and over the next five years, Viasat will have a piece of that ...