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Posts by
Editors of EarthSky
Mercury passing in front of the sun, seen from Mars
Transit of planet Mercury across the sun on June 3, as seen from Mars by a camera on the Curiosity rover.
June 11, 2014
Solar maximum is back!
Solar Max has arrived, but this "Mini Max" is not like any other solar maximum of the Space Age.
June 11, 2014
Far side of the moon mystery solved
When spacecraft first transmitted the images of the moon's far side to Earth, we saw the lunar farside lacks the large dark areas called maria, or seas. Why?
June 11, 2014
Moon formed from Earth collision with planet-sized body: New evidence
The theory that the moon formed when a planet-sized body named Theia crashed into Earth is supported by new evidence using samples from Apollo missions.
June 9, 2014
Light from huge explosion 12 billion years ago reaches Earth
Intense light from an enormous star explosion more than 12 billion years ago — shortly after the Big Bang — recently reached Earth and was visible in the sky.
June 5, 2014
Close-up views of large hurricane on Saturn
This massive hurricane at Saturn's north pole may have been churning for years.
June 5, 2014
Rosetta spacecraft watches target comet come alive
Later this year, the Rosetta spacecraft will orbit and land on Comet 67P/Churyumov-Gerasimenko. Here's an update, in this new NASA video.
June 4, 2014
NASA has re-scheduled its ‘flying saucer’ test flight
On Tuesday, NASA was going to drop a flying-saucer-shaped vehicle from a helium balloon high above Earth's surface, in preparation for future Mars missions. But the test has been delayed, due to weather.
June 3, 2014
Kepler-10 star system has a mega-Earth!
Astronomers believed a rocky world with 17 times Earth's mass couldn't form. But now they have discovered one.
June 2, 2014
Identify 500 birds with new Birdsnap app
Take a picture of a bird and identify it. This free new iPhone app is an electronic field guide featuring 500 of the most common North American bird species.
May 30, 2014
