Skywatchers are in for a month full of cosmic activity this August. Here’s what to know about the upcoming planetary ...

Observations from Nasa's Messenger mission have inferred the surface composition of Mercury. This suggests the presence of minerals known as sodium-rich plagioclase (such as albite), iron-poor ...

Mercury is a mysterious world. As the closest planet to the sun, it’s a hard-to-reach destination for space missions. So far, only two have made it to Mercury—NASA’s Mariner 10 and MESSENGER ...

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

Alongside a crescent moon, Mercury, Venus and Saturn will become visible to stargazers just before dawn on Friday morning. According to NASA, the planetary phenomenon will be clearest about 45 ...

George M. Low was a leading NASA engineer and administrator, whose strategic vision and systems expertise shaped U.S.

NASA astronomers say they have captured "cosmic razzle-dazzle" in a jaw-dropping new gallery of space images. The ...

Trump’s NASA budget plans look to cut its public relations funding by half, but already the agency is shuttering social media accounts that include those dedicated to popular missions including ...

Yesterday at 4:40AM east time, Nasa’s Messenger (MErcury Surface, Space ENvironment, GEochemistry and Ranging spacecraft) flew by just 125 miles over the surface of Mercury, the closest planet ...