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.
Don’t miss Jupiter
Jupiter is at its best now, shining brilliantly. You can see it easily, ascending in the east each evening.
April 4, 2016
Eclipse stories from Indonesia
The solar eclipse of March 9, 2016 brought together students from around the world - and EarthSky helped to make it happen.
April 4, 2016
Ocean temps predict heat waves 50 days out
Scientists identified what they call the Pacific Extreme Pattern - warm seawater next to cool seawater - and showed its connection to heat waves weeks later.
April 3, 2016
Another asteroid clobbers Jupiter
Giant Jupiter is a frequent target for asteroid strikes, in part because of its size. This impact is the 5th we've seen in the past decade.
April 2, 2016
Sea-level rise underestimated by half?
A new study suggests that sea-level rise over the next 100 years could be nearly double earlier estimates.
April 1, 2016
Camping under Orion’s shadow
Orion the Hunter is one of the most noticeable constellations, as seen from around the world. Here's a shot taken in the Himalayas.
April 1, 2016
Global astronomy month begins April 1
April, 2016, is Global Astronomy Month 2016 (#GAM2016), organized by Astronomers Without Borders, whose motto is One People One Sky.
March 31, 2016
Notice the tilt in Saturn’s rings
You can see in this composite by Scott MacNeill that - in the past few years - Saturn's rings have been appearing increasingly open from our earthly perspective.
March 31, 2016
The extremely hot heart of quasar 3C273
Scientists combined telescopes on Earth and in space to learn that this famous quasar has a core temperature hotter than 10 trillion degrees! That's much hotter than formerly thought possible.
March 30, 2016
