News tagged with earth

Related topics:

Measuring the mass of a Mars-size exoplanet

Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based on ...

dateJun 18, 2015 in Astronomy
shares657 comments 0

Will we ever colonize Mars?

Mars. It's a pretty unforgiving place. On this dry, dessicated world, the average surface temperature is -55 °C (-67 °F). And at the poles, temperatures can reach as low as -153 °C (243 °F). Much of ...

dateJun 01, 2015 in Space Exploration
shares108 comments 40

OSIRIS-REx mission passes critical milestone

NASA's groundbreaking science mission to retrieve a sample from an ancient space rock has moved closer to fruition. The Origins Spectral Interpretation Resource Identification Security Regolith Explorer (OSIRIS-REx) ...

dateApr 02, 2015 in Space Exploration
shares71 comments 0

Zapping away space junk

Planet Earth is surrounded. Thousands of tons of dangerous space debris circle in low orbit, threatening serious damage, even death, if any were to strike the International Space Station. A proposal by a ...

dateApr 27, 2015 in Space Exploration
shares43 comments 2