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A small, empty cloth bag is expected this week to rocket past space capsules and a wristwatch worn on the moon to become the most valuable space artifact to ever sell at auction.

"Space archaeologist" would be a fine job description for a fictional character on an interplanetary mission to unearth the ruins of an alien civilization .

A New Hampshire lobsterman has joined an elite club after catching a rare blue lobster.

NASA's Kepler space telescope and other instruments have revealed the existence of thousands of alien planets.

A brisk jog 65 million years ago would've been enough to escape the clutches of Tyrannosaurus Rex, scientists have found.

More than 70 years ago, a couple left their home in the Swiss Alps to milk their cows. They vanished.

A family outing turned into a major archaeological discovery by one New Mexico 10-year-old who literally stumbled on a million-year-old dinosaur fossil.

The bodies of three soldiers who were never recovered from a sunken WWII aircraft may finally get their homecoming.

The Earth-sized exoplanet is in a high-speed orbit around its star.

Citing delays with its original launch on a SpaceX Falcon 9 rocket, the U.S. Defense Advanced Research Projects Agency is trying to launch an experimental small satellite mission on a Polar Satellite Launch Vehicle from India.

On the two-year anniversary of the New Horizons probe's flyby of Pluto, mission scientists unveiled two detailed global maps of the dwarf planet and its largest moon, Charon.

A new salvo has been fired in the back-and-forth debate about the existence of Planet Nine.

An ancient house of the dead has been unearthed near Stonehenge.

Microgravity research on the International Space Station may give new insights into fighting cancer, NASA said.

Multiple NASA satellites have captured images of the dramatic and long-awaited birth of one of the largest icebergs ever recorded , which broke off an Antarctic ice shelf this week.

The southern lights appear to dance on the horizon off the southern coast of Australia in a stunning new photo taken by an astronaut aboard the International Space Station.

Forty-eight years after he landed on the moon, Apollo 11 astronaut Buzz Aldrin on Saturday rolled out a red carpet for the red planet at a star-studded gala at the Kennedy Space Center.

Thousands of people in Canada have petitioned the Alberta government to avoid killing a bear known as “Bear 148.”

Archaeologists are thrilled by the discovery of 25 tablets that could reveal fascinating details of everyday life on the northern frontier of the Roman Empire.

Cockroaches can survive a nuclear winter, but the "water bear" could outlive everything — at least until the Sun dies.