Longtime NASA astronaut Don Pettit is set to return from his fourth trip to space on Saturday night. Here are some of his ...

There is a large diversity in the chemical composition of astronomical objects such as planets, comets, circumstellar ...

The first four humans to orbit Earth’s poles are sharing their experiences from their historic mission. In a discussion with ...

Led by the European Commission in partnership with the European Space Agency (ESA), Copernicus ... are key to looking at the Earth from a different perspective and can help us address the most ...

"There really is something very different about how these giant planets form versus how small planets like Earth form." ...

"Space gives us a remarkable perspective for looking at the Earth," Jemison said. "We can look at and understand floods, what's happened to the ozone layer, we can look for minerals." She said ...

Led by the European Commission in partnership with the European Space Agency (ESA), Copernicus was established ... All these technologies are key to looking at the Earth from a different perspective ...