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Mars rover finds possible rock stripes

The long-lived Opportunity Mars rover keeps finding surprises, including these possible stone stripes. On Earth, similar features result from repeated freezing and thawing of wet soil.

Amateur astronomer captures a supernova’s 1st light

Supernovae – exploding stars – are unpredictable. But an amateur astronomer in Argentina happened to catch one just as it began to explode. “It’s like winning the cosmic lottery,” one astronomer said.

Juno’s look at Jupiter’s swirling clouds

See swirling cloud formations in the northern area of Jupiter’s north temperate belt in this new view taken by NASA’s Juno spacecraft.

Green moon on April 20, 2018? Nah

The green moon rumor started in 2016. Now it’s back. It’s a joke, y’all. We’re not going to have a green moon on April 20, 2018. This joke has its roots (ahem) in cannabis culture.

Copernicus’ revolution and Galileo’s vision, in pictures

It’s not a stretch to say these astronomers fundamentally changed the way we think about our place in the universe. We can gain insights into how this profound shift unfolded by looking at their actual notes.

Hubble sees Neptune’s dark storm die

In the 1980s, Voyager 2 discovered a dark storm in Neptune’s dense atmosphere, and now the Hubble Space Telescope is tracking Neptune’s storms. More in this NASA video.

ALMA telescope spies a supermassive black hole’s spinning disk

For decades, astronomers have been talking about of galaxies with supermassive black holes at their cores. Now they say they’ve clearly confirmed a black hole’s encircling, dusty, spinning disk of gas.

Astronomers tracking close-passing asteroid 2017 VR12

2017 VR12 will pass closest to Earth – 3.76 times the moon’s distance – during the night of March 6-7. It’s a good target for radar, and amateur astronomers might catch it with small telescopes.

Asteroid exploded over Russia February 15, 2013

On February 15, 2013, a small incoming asteroid created a meteor – brighter than the sun – over Russia. It exploded in the air over the city of Chelyabinsk.

Interstellar asteroid’s tumble suggests a violent past

The 1st known interstellar asteroid – ‘Oumuamua – is tumbling chaotically. A new study suggests its tumble resulted from a violent collision.

Watch ISS spacewalk Thursday

2 International Space Station (ISS) astronauts will perform a spacewalk on February 15. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at 12:10 UTC (7:10 a.m. EST) and lasts about 6 hours.

Moon’s bulge reveals its slow retreat from Earth

As the young moon receded from Earth and began spinning more slowly, its large equatorial bulge would have shrunk, cooled and hardened. Today, this fossil bulge on the moon tells a story about the early solar system.

Spacecraft snaps new farthest-from-Earth images

Voyager 1 captured its famous Pale Blue Dot image at a record distance in 1990. It took 27 years to beat that record, but now New Horizons has. 

Astronomers discover 1st possible exoplanets in another galaxy

“We are able to study them, unveil their presence and even have an idea of their masses. This is very cool science.”

Where is Elon Musk’s car going?

It was meant to go into an orbit that would take it past Mars, but where’s it going really? Plus, see outer space from the vantage point of Starman, the mannequin in Elon Musk’s red Tesla Roadster, and much more.

Martian dust cascades

This image from NASA’s Mars Reconnaissance Orbiter (MRO) shows streaks forming on slopes when dust cascades downhill.

Elon Musk, on Falcon Heavy’s triumphant launch

Follow Musk’s description of the successful launch of the Falcon Heavy lift vehicle, which will give the U.S. a capability in space not seen since the Saturn V rockets of the Apollo era.

James Webb Telescope arrives in California

The James Webb Telescope’s 2 component halves had been undergoing testing in Houston. They’re now at Northrop Grumman Aerospace Systems in California, about to be assembled.

TRAPPIST-1 worlds likely terrestrial and water-rich

Terrestrial means more like Earth than Jupiter or Saturn. Water-rich means a potential for life. New insights about the 7 planets orbiting the nearby star TRAPPIST-1.

Watch online as 2 asteroids sweep close this week

How to watch online this week as 2 newly discovered asteroids – 2018 CB and 2018 CC – sweep closer to Earth than the moon.