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Passing comets painted Mercury black
Scientists say comet dust is the invisible paint causing the surface of the innermost planet Mercury to be only barely reflective.
March 30, 2015
See it! This weekend’s moon and Jupiter
Thank you to all in the EarthSky community who posted photos of the moon and Jupiter on March 29, 2015!
March 30, 2015
Black hole winds stop star formation
It's the first time astronomers have seen a supermassive black hole in action, blowing away its galaxy’s reservoir of star-making gas.
March 29, 2015
Nova Sagittarii observation, March 29
The brightness of this unusual nova has gone up and down and now back up again. EarthSky friend Tom Wildoner tells you how to see the nova before it's gone!
March 29, 2015
India’s Mars probe has fuel for extended mission
India's Mars Orbiter Mission (MOM) was expected to end on March 24. But it turns out that the probe could have another 6 months of life left in it.
March 27, 2015
Curiosity rover detects nitrogen on Mars
The discovery adds to the evidence that ancient Mars was habitable for life.
March 27, 2015
First one-year ISS crew to launch Friday
The goal of the mission is to find out how the human body responds to a prolonged stay in space. Watch the launch, watch the arrival.
March 26, 2015
Mars rover finishes first-ever marathon on another world
On Tuesday, the Mars rover Opportunity completed a marathon - 26.2 miles (42.195 kilometers). Its finish time? Eleven years and 2 months.
March 26, 2015
Does wandering Jupiter account for our strange solar system?
Jupiter may have swept through the early solar system like a wrecking ball, destroying a first generation of inner planets before retreating into its current orbit.
March 24, 2015
Dwarf planet Ceres gets place names
First topographical map of Ceres with named quadrangles. Scientists announced the names at last week's Lunar and Planetary Science Conference.
March 24, 2015
