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 ...

From a single gold coin's journey through the centuries, to an ingenious screw that changed engineering, the extraordinary stories behind 100 of the most significant and intriguing artefacts in US ...

When you're talking about radiation, it's not unreasonable to immediately jump to man-made, weaponized radiation and the horrible effects it can have on human life. However, radiation itself is a ...

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 | ...

In 1876, Americans filled an iron safe with objects meant to tell their story — to be opened a century later. Roman Mars and historian Jill Lepore trace its long wait, from Reconstruction to Watergate ...

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 ...

Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and educator. She is a financial therapist and transformational coach, with a special interest in ...

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 ...

Star-Spangled Banner; Washington’s uniform; Jefferson’s lap desk; Dorothy’s ruby slippers; American Democracy: A Great Leap of Faith. There is no public parking facility for Smithsonian museums on the ...