The enchanting dunescape stretches over 43 miles (70 km) along the coast and over 30 miles (50 km) inland. Lençois translates ...

Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.

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?

If you have a question you’d like an expert to answer, send it to [email protected]. Why do astronomers look for signs of life on other planets based on how life is on Earth?

According to astronomers, there are approximately 200 billion trillion stars in our observable universe — chances are, ...

But there are other, far less contentious ... between worlds of the Trappist-1 system, such as how on Earth we send signals to planets like Mars in our solar system to talk to rovers and spacecraft.