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Eleanor Imster

El Capitan on 1st day of summer

The El Capitan rock formation reflected in a flooded valley in California’s Yosemite National Park.

Global coral bleaching event likely ending

Good news for coral reefs at last! After 3 years, the global coral bleaching event is likely over, scientists say.

Kepler finds 10 Earth-like exoplanets

NASA’s Kepler space telescope has identified 219 new exoplanet candidates, 10 of which are near-Earth size and in the habitable zone of their star.

Auroras in front of Magellanic Clouds

Hunter Davis, at the South Pole, captured auroras flickering in front of the two Magellanic Clouds.

Space gardening

Future space outpost dwellers will need to grow plants for food and to recycle air and water. Here’s what scientists are learning about space farming from plants grown on the ISS.

Saturn’s 2-toned moon

Saturn’s moon Iapetus is a world of contrast, with light and dark regions fitting together like cosmic puzzle pieces.

Oldest fossils of our species

Researchers have uncovered 300,000 year-old fossil bones of Homo sapiens in Morocco, the oldest reliably-dated fossil evidence of our species yet.

Video: Greenland’s thinning ice

The ice sheets are melting from both above and below, say scientists.

Milky Way over Mount Abu Observatory

Nikunj Rawal captured the Milky Way over India’s Mount Abu Observatory on June 1.

It’s twilight time: 15 favorite photos

“Love prefers twilight to daylight”
– Oliver Wendell Holmes