This story discusses major plot developments, including the ending, in “Superman,” currently playing in theaters. In the ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Women and ethnic minority groups are still significantly underrepresented in astronomy and geophysics despite attempts to ...

The mourning of Sebastião Salgado's passing in Brazil and around the world is a testament to the power and necessity of his ...

Superman might do more than just save Metropolis — filmmaker James Gunn hopes the beloved superhero will bring hope to a cynical world. “Everybody’s gotten so cynical and ironic,” said Gunn.

Superman has hidden his true identity from the people of Earth under the guise of Daily Planet reporter Clark Kent, but after decades of Superman mythology, the Man of Steel no longer needs Clark Kent ...

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

On the eve of the 249th anniversary of American independence, NASA on Tuesday showcased a patriotic image of Old Glory as seen from hundreds of millions of miles away.

His background as a retired ... We were having dinner, and we looked down at Earth, and I said, 'You know what, guys? There's ...

Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

"This is five times more than all the astronomers in the world discovered during the last 200 years since the discovery of ...