European Space Agency via AP A spacecraft skimmed past Mercury this week, beaming back stunning new images of the surface and showing once again that humankind has a seemingly insatiable longing ...

Pieces of Mercury may have been found on Earth, potentially allowing scientists to study the Solar System's innermost planet.

Scientists are tracking a large gas planet experiencing quite a quandary as it orbits extremely close to a young star - a ...

Interstellar comets offer the tantalizing opportunity for us to touch something truly otherworldly,” says the European Space ...

As the closest planet to the Sun, Mercury is exposed to the star's enormous gravitational field. And it's really stressful.

The Space Act, which would apply to local and foreign companies, aims to simplify procedures, protect assets in orbit, level ...

Most meteorites that have reached Earth come from the asteroid belt between Mars and Jupiter. But we have 1,000 or so ...