Behind Earth, on its dark side, pressure from the solar wind pushes the planet's outermost atmosphere into a bulbous tail that extends around 391,000 miles (630,000 kilometers) into deep space.

While trying to determine if it could use the entire Earth's atmosphere as a massive sensor, DARPA made a highly unusual ...

The planet is so close to its host star that a year there is equivalent to 30 Earth ... material around the planet’s equator, ...

It took a few attempts, but JWST has finally found strong evidence of an atmosphere around a rocky world outside our solar ...