Mercury, the closest planet to the Sun, is a world of blazing heat, freezing nights, and endless mysteries. Recent photos ...

The spectacular discoveries NASA's MESSENGER made about Mercury.

Alyssa Thomas scored 12 of her career-high 29 points in the fourth quarter and the Phoenix Mercury closed on a 19-4 run to ...

Mars shines in the evening, and is joined briefly by Mercury. Jupiter joins Venus as the month goes on. And all month, look ...

Debris from Mercury's heavily cratered surface could have reached Earth, so why haven't we found meteorites from the ...

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

NASA also points out that July and August is an excellent chance to view the constellation Aquila, also known as the eagle as ...

Veronica Burton had 21 points, eight rebounds and six assists, Kayla Thornton added 18 points and eight boards, and the ...

NASA has confirmed the discovery of an Earth-sized planet parked right in the “habitable zone” of a distant red dwarf star.

Found in the Sahara Desert, the space rocks contain some materials we haven’t detected on Mercury, but we’re not ruling it ...

From that point on, Hasselblad cameras flew on every Mercury, Gemini and Apollo mission, including the unforgettable Apollo ...

A couple of meteorite samples currently being investigated could be the first pieces of Mercury on Earth. Ben Rider-Stokes, a ...