Incredible time-lapse of totality over Mt. Juliet, Tennessee near Nashville -- one of the best spots in the country to watch the solar eclipse. ...

This image shows an icy cloud forming above Mars' surface. (NASA/JPL-Caltech/MSSS) At a Glance Plunging nighttime temperatures on Mars can trigger violent snowstorms.These storms could threaten the success of future missions to Mars.Researchers also discovered an upward release of water vapor into Mars' clouds may be behind the planet's disappearance of water. Mars is a frosty planet despite its fiery red-orange appearance, and plunging nighttime temperatures can cause weather much worse than researchers ever thought possible, according to a recent...

A huge 3-mile wide asteroid named Florence is expected to pass close to Earth on September 1. ...

This might belong in the photobomb Hall of Fame. If there is such a thing. ...

The satellite image above shows Russia's Shiveluch volcano poking through clouds and emitting a large plume of ash on Aug. 20, 2017. (NASA/METI/AIST/Japan Space Systems, and U.S./Japan ASTER Science Team) At a Glance An eruption from Russia's Shiveluch volcano was captured via NASA satellite image.The peak blasted ash more than 32,000 feet into the air. A satellite image captured by NASA shows one of the world’s most active volcanoes as it emitted a massive plume of smoke in Russia. Captured...

Shown above is the path of the April 8, 2024, total solar eclipse. (Michael Zeiler, www.GreatAmericanEclipse.com) At a Glance The next total solar eclipse will take place in about seven years on April 8, 2024.Average April weather conditions provide some perspective on viewing conditions. If you were unable to get in the path of the on Aug. 21, the good news is thatthe next total solar eclipse will pass through North America less than seven years from now. April 8,...

NASA astronauts Peggy Whitson returned to Earth Sunday after spending U.S. record 665 days in space. Also returning from the International Space Station were NASA astronaut Jack Fischer and Russian cosmonaut Fyodor Yurchikhin. ...

Cassini spacecraft finished its long mission on Friday, burning up in Saturn’s atmosphere after sending back surprising information about Saturn and its moons. ...

No, it’s not the plot of a sci-fi movie...yet. ...

Stunning aurora is captured from orbit by astronauts aboard the International Space Station. ...

Scientists recreate the black hole effect in a laboratory setting for the first time. ...

Hubble spots pair of asteroids behaving in a way never seen before. ...