Astronomy & Space news

First direct evidence of cosmic inflation (Update)

(Phys.org) —Almost 14 billion years ago, the universe we inhabit burst into existence in an extraordinary event that initiated the Big Bang. In the first fleeting fraction of a second, the universe expanded ...

Mar 17, 2014
4.8 / 5 (135) 135

Planet X myth debunked

It was an elusive planet that for 200 years appeared to explain Uranus's wobbly orbit. And there was the sister sun theorized to be near our solar system that caused asteroids to swerve toward Earth.

Mar 16, 2014
3.8 / 5 (42) 61

Water in the solar system predates the Sun

Water was crucial to the rise of life on Earth and is also important to evaluating the possibility of life on other planets. Identifying the original source of Earth's water is key to understanding how life-fostering ...

Sep 25, 2014
4.5 / 5 (25) 10

'Oldest star' found from iron fingerprint (Update)

As the Big Bang's name suggests, the universe burst into formation from an immense explosion, creating a vast soup of particles. Gigantic clouds of primordial soup, made mainly of hydrogen and helium, eventually ...

Feb 09, 2014
4.6 / 5 (52) 58 | with audio podcast

Universe's most distant galaxy discovered

Texas A&M University and the University of Texas at Austin may be former football rivals, but the Lone Star State's two research giants have teamed up to detect the most distant spectroscopically confirmed ...

Oct 23, 2013
4.6 / 5 (33) 81 | with audio podcast