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What makes some galaxies green?
State-of-the-art computer simulations let scientists figure out why some galaxies are green. They said a green color for a galaxy might reveal a troubled past.
July 3, 2016
Surprise dew drops for Spiderweb Galaxy
Astronomers using the ALMA telescope to study the Spiderweb Galaxy unexpectedly found droplets of condensed water at the galaxy's outskirts.
July 2, 2016
Antarctic ozone shows signs of healing
Scientists at MIT and elsewhere say that the Antarctic ozone hole shows signs of shrinking. They say they expect it to close permanently by mid-century.
July 2, 2016
This week’s old moon
A waning crescent moon - seen in the east before dawn - is called an old moon.
July 2, 2016
Pluto spacecraft gets new mission
Plus the Dawn spacecraft will remain at Ceres, and 7 other NASA craft have the green light for continued operations through fiscal years 2017 and 2018.
July 1, 2016
Venus returning to evening twilight
Don't expect to see Venus with the eye yet. It'll be back by mid-July, 2016. But it's up there each evening twilight now, setting shortly behind the sun.
July 1, 2016
Tracking Venus in 2016 and ’17
Looking for Venus? It'll soon come into view in the west after sunset. This video tracks Venus from when it reappears again by mid-July, 2016 … to April, 2017.
July 1, 2016
How do octopuses change their color?
Incredible color-changing! How - and why - the octopus, squid, and cuttlefish change color.
June 30, 2016
Asteroid Day 2016 is June 30
Hundreds of events - films, concerts, panels with engineers, scientists and astronauts - about asteroids and how to protect our planet from asteroid impacts.
June 30, 2016
