Almost half the stuff in orbit around Earth can be classified as space junk, and the problem is only going to get worse as launches and orbital infrastructure increase. Using data from the U.S. Space ...

A popular UFO-reporting app has been making waves after reportedly recording tens of thousands of mysterious underwater objects up and down the United States’ coastlines, raising eyebrows and leaving ...

Two readily accessible synthetic building blocks are shown to form a quadruply hydrogen-bonded heterodimer that exhibits exceptional stability and offers new opportunities for the construction of ...

Videos in this batch show unidentified aerial phenomena but offer few clues to existence of alien life Sign up for the Breaking News US newsletter email The Pentagon on Friday released a second ...

Featuring iconic and everyday items, including a Revolutionary War gunboat and a first-generation iPod, “In Pursuit of Life, Liberty & Happiness” is open now at the museum Emily Barske Wood | ...

Is science fiction a literature of ideas, or of characters? Works that focus on the former often neglect the latter, and vice versa. It's very difficult to examine complex abstractions and ...

Learn about Earth Day founder Gaylord Nelson (1916–2005) and how environmental disasters of his day inspired the creation of Earth Day in 1970. On December 7, 1972, Apollo 17 astronauts captured a now ...

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