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.

The sixth BepiColombo mission — launched by the European Space Agency and the Japan Aerospace Exploration Agency — was able to examine a series of deep craters near Mercury’s north pole. 3 ...

On July 2, 1985, the European Space Agency launched the Giotto space probe to get a close-up look at Halley's Comet. Nearly ...

Astronomers on Wednesday confirmed the discovery of an interstellar object racing through our Solar System -- only the third ...

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

Scientists have discovered what might be only the third known interstellar object to pass through our solar system, the ...

A European space agency created the first "artificial total solar eclipse" using a pair of satellites on Monday.

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