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.
Old moon over Kitt Peak
Founded in 1958 - on a mountaintop in Arizona - this observatory operates its own 3 telescopes and hosts 24 others.
February 8, 2016
James Webb Space Telescope takes a giant step
It'll have 7 times the collecting area of Hubble, and it's scheduled for launch in 2018. James Webb Space Telescope ... and more on this episode of EarthSky News.
February 8, 2016
See 5 bright planets at once
First time we can see 5 planets at once since 2005. All 5 are up before dawn, still, and all 5 will remain visible until Mercury disappears in the dawn just after mid-February.
February 8, 2016
Ice sheet releasing Mississippi River’s worth of phosphorus
Every year, Greenland’s ice sheet releases as much of this key marine nutrient as the mighty Mississippi releases into the Gulf of Mexico, says a new study.
February 8, 2016
Pluto has mysterious, floating hills
The hills are thought to be fragments of Pluto's rugged uplands that have broken away and are being carried along the flow paths of glaciers.
February 8, 2016
U.S. Southwest is drying
Researchers identified 12 weather patterns across the region. Over the past 30 years, the 3 patterns bringing rain to the U.S. Southwest became less frequent.
February 7, 2016
Mars’ west quadrature on February 7
At west quadrature on February 7, 2016, the red planet appears 90% illuminated as seen through a telescope. Fantastic time to see Mars is just ahead.
February 7, 2016
Red Rectangle’s unearthly beauty
A Hubble Space Telescope image of the mysterious Red Rectangle Nebula.
February 7, 2016
Fossilized lacewing butterfly
A record etched in rock from 120 million years ago shows the fragile beauty of an ancient butterfly-like insect.
February 6, 2016
See it! All 5 bright planets at once
Best photos from the EarthSky community of the 5 bright planets now visible at once in the sky before dawn. Thanks to all who posted!
February 5, 2016
