The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet (140 ...

Astronomers have discovered two new exoplanets that are similar to other worlds found in the Milky Way, but unlike any in our ...

Aside from sunlight, the sun sends out a gusty stream of particles called the solar wind. The ESA-led Solar Orbiter mission ...

After more than a decade mapping out our home galaxy, the Gaia space telescope was powered down ...

The spectacular celestial event will be visible just two weeks after a stunning 'Blood Moon' partial lunar eclipse graced UK ...

The most elusive planetary aurora in the Solar System has finally been revealed in all its gently glowing glory. Far from the ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.