Many people imagine the space between the stars as an empty, cold infinity. In reality, it is teeming with extraordinary ...

Scientists analyzing an ultra-hot giant planet believe it was formed by absorbing lightweight gases like methane evaporating ...

In the Northern Hemisphere, June 20 is the day on which the sun is highest in the sky, aka the summer solstice! This is the ...

NASA also celebrated its 50th anniversary in 2008 by transmitting a song directly into deep space: the Beatles’ “Across the ...

Astronauts Steven Smith and John Grunsfeld, appear as small figures in this wide-angle photograph from December 1999, taken ...

Middle school students in Salt Lake City are slipping on headsets and stepping into outer space— all without leaving the ...

NASA astronaut Nichole Ayers and Japan Aerospace Exploration Agency astronaut Takuya Onishi spoke with students from the ...

A new memorandum has firmed up China and Russia's intent to lead the construction of a new lunar base to be completed by 2036, as NASA talks about scaling back its own lunar ambitions.

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...

A celestial object some 15,000 light-years away is emitting bright flashes of radio and X-rays that scientists are struggling ...