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
Cosmic slurp: Where a black hole swallows a star
Astronomers have identified galaxies where a central black hole just disrupted and ‘ate' a star. It's like a black hole putting up a sign that says: Here I am.
April 16, 2014
Unexpected teleconnections in noctilucent clouds
Researchers investigating "night-shining" clouds found something they weren't even looking for: teleconnections in Earth's atmosphere that stretch all the way from the North Pole to the South Pole and back again
April 16, 2014
Large Hadron Collider discovers new form of matter
Researchers say that exotic hadrons -particles made up of two quarks and two anti-quarks - actually exist.
April 15, 2014
A tetrad of lunar eclipses, next one October 8
Monday's eclipse marks the beginning of a special eclipse series known as a tetrad - four total lunar eclipses in a row, with no partial eclipses in between. The next one is October 8.
April 15, 2014
Is Saturn making a new moon?
A small icy object within the rings of Saturn might be a brand new moon in the process of being born.
April 15, 2014
Beauty from chaos on Mars
Catastrophic flooding is thought to have created the heavily eroded Osuga Valles on Mars ... and the features within it.
April 11, 2014
Star aligns with planetary nebula to create diamond ring
It looks like the diamond ring effect seen during total solar eclipses. It's really a distant, dying star and its shell of gas, with another star in front of it.
April 9, 2014
Astronomers make most precise measurement yet of expanding universe
A new analysis says that 10.8 billion years ago, the universe was expanding by one percent every 44 million years.
April 7, 2014
Ride along with a rocket to space
What a ride! Cameras mounted on the upper stage of a Soyuz rocket on April 3, 2014 looked earthward during a satellite launch.
April 7, 2014
Biggest galaxy cluster bigger than thought
El Gordo - the largest galaxy cluster in the universe - is about 3 million billion times more massive than our sun, roughly 43 percent more massive than earlier estimates.
April 4, 2014
