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With its massive iron core and ultrathin crust, Mercury is something of an oddball in the solar system.

NASA's Parker Solar Probe will never return to Earth — but it can still look back on where it came from.

NASA has released an image of the Earth captured by the Parker Solar Probe on its historic journey to the Sun.

WARSAW, Poland (AP) — The Auschwitz museum has obtained a new relic from the death camp that Nazi Germany operated during World War II: the baton of the inmate orchestra's conductor.

NASA's alien-hunting Kepler Space Telescope has suffered another malfunction, with the spacecraft returning to sleep mode just days after it sent information from its latest campaign back to Earth.

When Vickie Henry took a stroll on an Assateague Island beach last week, she never expected to see a massive sea creature briefly emerge from the water: a giant manta ray.

An entire island has vanished under the waves in the wake of Hurricane Walaka. 

As if dolphins don’t have enough to worry about with ocean predators and plastic pollution, researchers have revealed that humans are ruining their sex lives.

Sponge-like creatures could be lurking beneath the surface of Mars, according to new research.

When Hurricane Michael unleashed its wrath on the Florida Panhandle, it unearthed a piece of history: Wreckage of at least one -- but possibly two -- 19th-century ships.

A sea lion made a “splash” in San Diego, California, this week.

If you live in Virginia and have spotted a black bear as of late, an acorn storage this fall may be to blame, wildlife experts say.

A mysterious painting hidden for centuries at the Tower of London may be a self-portrait of the famous adventurer Sir Walter Raleigh.

If you live in the Sunshine State, beware: the puss caterpillar has made its seasonal return in Florida. And while this fuzzy creature may look soft, experts are warning to stay away.

Skywatchers are in for an experience that’s literally out of this world: a full moon, known as the Hunter’s Moon, will take place on Wednesday. 

Researchers have discovered what they say is the world’s oldest intact shipwreck at the bottom of the Black Sea.

A dog’s life expectancy and risk of developing serious illnesses have been linked to the color of their coats.

Maybe it is hip to be square. 

Alien life might be purple.

Researchers say active fault lines on Mount Hood could potentially trigger a 7.2 magnitude quake that could reach Portland.