A spacecraft now moves through a region once thought unreachable, sampling the thin outer atmosphere of the Sun at distances ...

Nasa has unfurled a solar sail in space for the first time, aiming to harness the propulsive power of sunlight for interstellar travel. The US space agency revealed that it had deployed the solar sail ...

A solar sail is designed to capture the tiny amounts of radiation pressure exerted by sunlight to propel a spacecraft to incredible speeds. The advantages are numerous: by acting like a sailing ship ...

The Sun released a strong solar flare on Tuesday, Feb. 3, following several eruptions in the preceding days, prompting ...

Both versions of the Solar Array Sun Shield for NASA’s Nancy Grace Roman Space Telescope appear in this photo, taken in the largest clean room at NASA’s Goddard Space Flight Center. The flight version ...

A microwave-sized spacecraft with large silver wings is tumbling in orbit as engineers work to fix a glitch that’s causing it to lose orientation. After deploying four composite booms on board the ...

Preparations for launching NASA’s Gamma-ray Large Area Telescope (GLAST) satellite are underway at NASA’s Kennedy Space Center (KSC), Fla. NASA KSC’s “NASA Expendable Launch Vehicle Status Report” on ...

NASA launched the Juno spacecraft in 2011 on a mission to study Jupiter, and now the spacecraft is almost to its target. Before it reaches the gas giant, Juno has already made history as it sets the ...

"We propose it's a natural technological evolution that an advanced civilization could make," Ravi Kopparapu, a NASA planetary scientist who led the research published in the Astrophysical Journal, ...

A very small instrument has a big job ahead of it: measuring all Earth-directed energy coming from the Sun and helping scientists understand how that energy influences our planet’s severe weather, ...