A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest stellar neighbors, a new study reveals. The rocky alien worlds are close enough that future ...
Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...
Millions of years ago, our Solar System sailed through the Orion Complex, part of the vast Radcliffe Wave structure. This ...
Earth is moving much faster than it seems ... How does its orbital speed compare to that of other solar system planets? How fast you need to move to keep in a circular orbit around another ...
An international team led by researchers in Japan and Europe has discovered a new multi-planet system around a Sun-like star, ...
Astronomers have made an exciting breakthrough by discovering four sub-Earth exoplanets orbiting Barnard’s Star, our closest ...
Modern weather radars detect meteorite falls, confirming shocking daytime flashes and guiding precise recoveries.
Here's how astronauts Butch Wilmore and Suni Williams physically managed to last 10 month at the International Space Station.