Astronomers may have discovered a scrawny star bolting through the middle of our galaxy with a planet in tow. If confirmed, ...

It is not often that all the planets in the Solar System other than ours are lined up across the night sky for us to see.

Astronomers discovered supersonic winds on a giant gas planet located over 500 light-years from Earth. In a study released ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

A large team of researchers working on the Alpha Magnetic Spectrometer Collaboration, which has been analyzing eleven years' ...

Plate tectonics give Earth its mountains, earthquakes, continental drift and maybe even helped give rise to life itself. But do other planets in the solar system have them too?

In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) per hour, but they are not the strongest in our solar system. The ...

A massive 500,000-mile-wide (800,000-kilometer) coronal hole in the sun's atmosphere is unleashing a stream of fast-moving solar wind toward Earth, potentially supercharging auroras on Jan. 31 and ...

Callsen’s bill also raises to 600 MW, from 200 MW currently, the target for solar on previously developed sites. It also ...

In comparison, the fastest wind ever measured in the solar system was found on Neptune, moving at "only" 0.5 km per second (1,800 km/h). The team, whose research was published today in Astronomy ...