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One of the oldest stars in the universe
The star could be only a single generation removed from the Big Bang. It's the new recorder-holder for having the fewest "metals," that is, the fewest of the heavier elements made inside stars and released to space via supernovae.
November 7, 2018
E.T., we’re home!
A new study from MIT suggests that existing laser technology could be used to signal alien astronomers on a distant world. But should it be used?
November 7, 2018
Could ‘Oumuamua be an alien lightsail?
The object we call 'Oumuamua entered our solar system a year ago and quickly left again. It's a very puzzling object. Could it be an alien lightsail? A new paper from Harvard discusses that possibility.
November 6, 2018
Lucy mission to Jupiter’s Trojans gets the nod from NASA
There are perhaps as many Trojan asteroids orbiting 60 degrees ahead of and behind Jupiter as in the asteroid belt between Jupiter and Mars. Now NASA has given a go-ahead for the 1st mission to Jupiter's Trojans.
November 5, 2018
The US and Europe take a next step toward the moon
The European Service Module - eventually to be used to power and propel NASA's Orion spacecraft in the 1st manned moon mission since the 1970s - leaves Europe today and arrives in the U.S. tomorrow.
November 5, 2018
Timelapse shows 25 years of Supernova 1987A
If you were alive and interested in astronomy then, you'll remember Supernova 1987A, the 1st supernova visible in Earth's skies since 1604. The new timelapse shows its aftermath over a 25-year period, 1992 to 2017.
November 4, 2018
Dusk for Dawn mission to asteroids
NASA’s Dawn spacecraft has gone silent. The mission to explore the 2 largest bodies in the asteroid belt, Vesta and Ceres, is at an end.
November 3, 2018
Bold new plan announced to explore alien ocean worlds
Earth is not the only ocean world in the solar system. In fact, there are several. A new paper just published in Astrobiology seeks to plan out the best ways to explore these alien oceans.
November 2, 2018
Scientists now processing images of asteroid Bennu
The OSIRIS-REx spacecraft - launched from Earth in September 2016 - has begun acquiring images of the mission target, primitive asteroid Bennu.
November 2, 2018
NASA to continue signaling Opportunity rover on Mars
The initial 45-day signaling period to the 14-year-old rover has ended. But NASA said this week it will continue trying to hail Opportunity. The rover has been silent since June, when a Mars dust storm swept over it.
November 1, 2018
