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Methane-based lifeforms on Saturn’s moon?
Scientists offer a template for life that could thrive in the harsh, cold world of Titan, the giant moon of Saturn. It’s not life as we know it.
March 3, 2015
Rosetta spacecraft glimpses its own shadow
It's a spacecraft shadow on a comet! Rosetta caught its own shadow encircled in a wreath of light, on the icy surface of Comet 67P/Churyumov-Gerasimenko.
March 3, 2015
First photo of light as particle and wave
At last ... a wavicle! Who thought we'd ever see a single photo of light's dual nature as both a particle and a wave?
March 3, 2015
Moonlit night of plum blossoms, and other great moon and Jupiter photos
Beautiful photos of the March 2, 2015 moon and Jupiter. Our thanks to all who posted at EarthSky Facebook and G+, and submitted directly to EarthSky.org.
March 3, 2015
Clearest pictures ever of free-falling snowflakes
Research suggests that our iconic view of snowflakes as "perfect" isn't true.
March 3, 2015
Missed the spacewalks? Here’s video, photos
On Sunday, NASA astronauts completed their third spacewalk in eight days. Cool video and gorgeous pics from the trio of spacewalks.
March 2, 2015
Touching NASA tributes to Leonard Nimoy’s passing
Nimoy’s character Mr. Spock on Star Trek inspired generations of astronauts, space scientists and engineers, as well as space fans around the globe.
March 2, 2015
Slushy wave off coast of Nantucket
Sure, the ocean freezes. But this photo of partly frozen waves - caught by photographer and surfer Jonathan Nimerfroh - fascinated even the experts.
February 28, 2015
Meteor shower at 40,000 feet
Another good reason to grab that window seat! Colin Legg captured this great photo of a meteor shower, seen from an airplane window.
February 28, 2015
Monster black hole at cosmic dawn
A black hole 12 billion times more massive than our sun - at the heart of the brightest quasar in the early universe - as the dark ages of the universe were just ending.
February 27, 2015
