Sign Up for Our Amazing Newsletter!
A daily update by email. Science news, great photos, sky alerts.
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.
Astronomers witness a massive star’s birth
Two images of a very massive star, made 18 years apart, have given astronomers a real-glimpse of how massive stars develop early in their evolution.
April 2, 2015
Public invited to NASA flying saucer broadcast today
NASA's rocket-powered, saucer-shaped test vehicle soon will fly into near-space. Join an hour-long live, interactive video broadcast on March 31.
March 31, 2015
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
