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Fragments found for small asteroid that exploded over Russia last week

The meteor was seen over Russia on June 21. Now scientists from Ural Federal University are reporting finding meteorite fragments from the event. Plus … why are so many large meteors seen over Russia?

Rosetta spacecraft image archive complete

Rosetta journeyed through space for 12 years and performed early flybys of Earth, Mars and 2 asteroids before arriving at comet 67P/Churyumov-Gerasimenko. It produced nearly 100,000 images. Some of the best, here.

Mars dust storm grows global

The storm is now officially “planet-encircling.” At Gale Crater, where the Curiosity rover is studying the storm’s effects, dust has starkly increased. Meanwhile, the Opportunity rover stays silent.

10 things about Martian dust storms

Mars’ massive dust storms have been challenging – and enticing – scientists for decades. From NASA, here’s the scoop on Martian dust.

Video: Watching solstices and equinoxes from space

See how sunlight falls on Earth’s surface during the solstices and equinoxes, and get a better understanding of why Earth’s tilt causes the seasons.

Astronomers see a black hole eating a star

Astronomers now have the 1st direct image of a black hole ripping apart a star. The star-stuff goes into a disk surrounding the hole, and it’s also ejected back to space in powerful jets.

Life at Alpha Centauri? Maybe, NASA says

Could life exist on planets in the star system closest to ours, Alpha Centauri? Dangerous X-ray radiation makes it unlikely for the single exoplanet found so far. But new data suggest better odds for any new planets yet to be discovered.

A giant dust storm is raging on Mars

One of the thickest dust storms ever seen on Mars has been spreading since early June. The Opportunity rover – 1 of 2 active rovers on Mars – has suspended science operations.

ALMA spies 3 planets around a young star

Astronomers have evidence for 3 infant planets forming in a disk around a newborn star. They say their new observing technique could find some of the youngest planets in our galaxy.

Watch spacewalk June 14

On Thursday, 2 astronauts aboard the International Space Station will conduct a 6 1/2 hour spacewalk. NASA’s live coverage begins at 10:30 UTC (6:30 a.m. EDT). The spacewalk itself is scheduled to start at 12:10 UTC (8:10 a.m. EDT).