The simulation of the Solar System that came the closest to the observation was the presence of a small planet, between the ...

An enormous asteroid is approaching Earth at 24,136 miles per hour—and will be at its closest to us in two days' time. The ...

CAPE CANAVERAL — For the first time, astronomers have discovered seven Earth-size planets orbiting a single nearby star — and these new worlds could hold life. This cluster of planets is less than 40 ...

A rocky, Earth-size planet located in our Milky Way galaxy may have an atmosphere around it, according to new research, raising the possibility that it could also have liquid water on its surface and ...

The South Atlantic Anomaly, a huge weak spot in the geomagnetic field off South America, has expanded and sprouted a lobe in ...