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An asteroid wider than a basketball court is expected to fly past Earth tomorrow, but it will not pose a threat, NASA says.

More than 4,000 exoplanets have been discovered so far by astronomers. Now, artificial intelligence has discovered an additional 50, thanks to old data from NASA.

After a slumber that stretched for more than six years, a geyser at Yellowstone National Park erupted once again last week. 

As Hurricane Laura made landfall last week near the Texas and Louisiana borders packing 150-mph winds, the storm's whipping gusts caused one river the Lone Star state to flow backward for several hours.

A photo has gone viral after two hares were spotted fighting each other in Scotland, British news agency SWNS reports.

A 3,200-year-old fortress has been discovered in southern Israel.

A creature that lived 250 million years ago with elephant-like tusks and a "turtle-like beak" is the oldest-known creature to hibernate in order to survive, a newly published study has found.

A newly published study notes that a type of bacteria was able to survive in space outside the International Space Station, opening up the possibility that life could have traveled from Mars.

Hurricane Laura has weakened to a depression, but not before causing the Mighty Mississippi River to flow backward in Louisiana earlier this week, according to a report.

A U.S. Coast Guard crew had a frightening encounter with a shark earlier this week as they were taking a refreshing dip in the Pacific.

A researcher at the National Museums Scotland has made a remarkable discovery, stumbling across a 166-million-year-old dinosaur fossil while running on a beach in Scotland.

NASA astronaut Chris Cassidy has photographed Hurricane Laura from his vantage point on the International Space Station.

NASA has found an active galaxy far, far away that looks eerily reminiscent of a TIE fighter from "Star Wars."

A remarkable video shows the birth of a beluga whale calf at Chicago’s Shedd Aquarium.

NASA astronaut Jeanette Epps will make history next year when she becomes the first Black female astronaut to be a crew member of the International Space Station, the space agency announced on Tuesday.

A beautiful sunrise can be seen for a moment as a hurricane hunter aircraft passes through Laura while the storm gathered strength Tuesday over the Gulf of Mexico.

A condor sanctuary in California has been devastated by one of the wildfires ravaging the state.

In June, astronomers discovered Fast Radio Burst 121102 had a 157-day repeating schedule. Right on schedule, scientists have detected activity from the mysterious radio signal.

A vast smoky pall from California’s wildfires has been spotted from space by NASA’s Terra satellite.

A newly published study suggests there could be more "rogue" planets, those that do not orbit a star, than there are stars in the Milky Way galaxy.