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.
Posts by
Editors of EarthSky
What happened before the Big Bang?
How can we get an inkling of what existed before our universe began? Scientists at the Harvard-Smithsonian Center for Astrophysics suggest a way.
March 27, 2019
How aspen leaves could save Mars rovers
Aspen trees - fondly called Quakies by some - have trembling, quivering leaves. Now those leaves have inspired an energy-harvesting mechanism that might rescue dust-laden rovers on Mars.
March 22, 2019
Astronomers discover 83 more supermassive black holes
Astronomers used a cutting-edge camera mounted on one of the world's largest telescopes to discover 83 new quasars - powered by central, supermassive black holes - in the very early universe.
March 18, 2019
How the moon got its sunburn
Every object, planet or person traveling through space has to contend with the sun's damaging radiation - and the moon has the scars to prove it.
March 7, 2019
Black hole found near Milky Way’s heart
It's not supermassive, but only an intermediate-mass black hole, near the center of the Milky Way. It might be one of over 100 million quiet black holes lurking unseen in our galaxy.
March 6, 2019
Found: World’s biggest bee
Last seen in 1981 and thought lost to science, Wallace's giant bee has been rediscovered in the forests of Indonesia.
March 4, 2019
NOAA announces the arrival of El Niño
This year's El Niño is likely to be weak, with little influence on weather through early spring, say NOAA forecasters.
February 18, 2019
Mars Opportunity rover ends its mission
The Mars Opportunity rover, built to last 90 days, has ended its mission after 15 years on the red planet.
February 14, 2019
Just for fun: Tour alien worlds
Some fun multimedia from NASA, including (free) Exoplanet Travel Bureau posters, cool 360-degree visualizations, and a journey into the life and death of planetary system.
February 11, 2019
Bubbles of brand new stars
This dazzling region of newly-forming stars in the Large Magellanic Cloud was captured by ESO’s Very Large Telescope.
February 10, 2019
