The satellite called NISAR — short for NASA-ISRO Synthetic Aperture Radar — will operate from a near-polar-circling orbit 464 ...

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 ...

Two meteorites found in the Sahara show tantalizing similarities to the innermost planet, and while researchers say they are ...

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

Mercury, the closest planet to the Sun, is a world of extremes and unanswered questions. Though it resembles the Moon with ...

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 ...

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 ...

The US space agency NASA will lose about 3,900 employees under Donald Trump's sweeping effort to trim the federal workforce - ...

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 ...

NASA’s Mercury-bound Messenger spacecraft dropped into orbit around the tiny, orbitally eccentric planet just a few months ago, and it’s already sent back enough data to notably alter our take ...

Scientists will compare incoming and outgoing radar signals as the spacecraft passes over the same locations twice every 12 ...