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Japan’s Hayabusa2 lands on asteroid Ryugu
The Hayabusa2 spacecraft touched down briefly and successfully on asteroid Ryugu, 200 million miles (300 million km) from Earth. It successfully fired a bullet into the asteroid to puff up dust for sample collection.
February 22, 2019
Rosetta’s comet sculpted by stress
The Rosetta space mission revealed a comet as 2 icy balls apparently stuck together billions of years ago. Now scientists say the comet's double-lobed structure guided its evolution.
February 22, 2019
IAU names Chang’e-4 landing site on moon’s far side
The Chinese spacecraft Chang’e-4 made history earlier this year, when it became the first earthly spacecraft to land on the moon's far side. Now astronomers have named its landing site.
February 22, 2019
Rainbow and anticrepuscular rays over English coast
"A delightful rainbow which particularly caught my eye as it framed the anticrepuscular rays on the horizon," said photographer Alec Jones.
February 22, 2019
Earth’s atmosphere extends beyond moon
In fact, these researchers said, the moon flies through Earth's outermost atmosphere, called its geocorona.
February 21, 2019
The ozone hole: Closing the gap
After thinning at alarming rates in the 1980s and 90s, the ozone layer over Antarctica is starting to recover.
February 21, 2019
Firefall at Yosemite National Park
Around this time of year - if the western horizon stays clear - the last few minutes of daylight fall perfectly on Horsetail Falls, making it glow as if on fire. Photographers call it the firefall ...
February 21, 2019
See it! Photos of 2019’s biggest supermoon
A selection of photos of the February 18 and 19 full moon - biggest and brightest supermoon of 2019 - from the EarthSky Community.
February 20, 2019
Where is the universe’s missing matter?
When astronomers add up the mass of all the normal matter in the present-day universe, about a third of it can't be found. Where is it?
February 20, 2019
Watch: Aurora borealis over HAARP
Never-before-seen footage of night skies over the HAARP antenna array in remote northern Alaska.
February 20, 2019
