We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

Ultra-faint dwarf galaxies, cosmic 'ghost towns,' offer new insights into the early universe and star formation.

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

The six planets will be visible in the days immediately leading up to Jan. 21, and for about four weeks afterward. Mars, ...

Israel said it was still attacking in the enclave because Hamas had not yet handed over names of hostages to be released on Sunday. Hamas said the delay was technical. A Times photographer made ...

The cores of galaxies may not be made of what scientists thought. New research suggests that they could hold giant […] The ...