The question of whether we're alone in the universe has haunted humankind for thousands of years, and it's one astronomer Jill Tarter has tried to answer for much of her life. Tarter, chair emeritus of the Center for SETI ...
Astronomy
Nov 2, 2018
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574
This image from NASA's Spitzer Space Telescope shows the Cat's Paw Nebula, so named for the large, round features that create the impression of a feline footprint. The nebula is a star-forming region in the Milky Way galaxy, ...
Astronomy
Oct 24, 2018
7
57
The Moon may be the key to unlocking how the first stars and galaxies shaped the early universe.
Astronomy
Oct 17, 2018
0
54
On Wednesday, 10 October 2018, more than 200 guests from around the world gathered on the northern array site of the Cherenkov Telescope Array (CTA) to celebrate the inauguration of the first prototype Large-Sized Telescope ...
Astronomy
Oct 10, 2018
0
12
Could there be another planet in the universe with a society at the same stage of technological advancement as ours? To find out, EPFL scientist Claudio Grimaldi, working in association with the University of California, ...
Astronomy
Oct 3, 2018
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79
When mapping the universe, it pays to have some smart programming. Experts share how machine learning is changing the future of astronomy.
Astronomy
Sep 4, 2018
1
156
This time-lapse video, obtained June 8, 2018, shows the precise choreography of NASA's Neutron star Interior Composition Explorer (NICER) as it studies pulsars and other X-ray sources from its perch aboard the International ...
Space Exploration
Aug 15, 2018
0
12
About twenty-five percent of young stars in our galaxy form in clustered environments, and stars in a cluster are often close enough to each other to affect the way they accrete gas and grow. Astronomers trying to understand ...
Astronomy
Aug 14, 2018
0
39
GW170817 is the name given to a gravitational wave signal seen by the LIGO and Virgo detectors on 17 August 2017. Lasting for about 100 seconds, the signal was produced by the merger of two neutron stars. The observation ...
Astronomy
Aug 6, 2018
3
46
Drop a marble and a cannon ball off the Leaning Tower of Pisa at the same time and they will hit the ground at the same time. That fact is explained by Albert Einstein's theory of gravity—general relativity—which predicts ...
Astronomy
Jul 4, 2018
22
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