ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the ...

ESA's Solar Orbiter captured a "tube of cooler atmospheric gases snaking its way through the Sun’s magnetic field," according to ESA. See it "slither" in these time-lapsed views. Credit: ESA & ...

The sun is always mesmerizing to watch, but Solar Orbiter captured a special treat on camera: a dark 'prominence' sticking out from the side of the sun. The dark-looking material is dense plasma ...

Apollo lunar samples show how space weathering alters the Moon’s surface over time, affecting ultraviolet light reflection and interpretation of Lunar Reconnaissance Orbiter data.

What can star variability—changes in a star's brightness over time—teach astronomers about exoplanet habitability? This is what a recent study accepted for publication in The Astronomical Journal ...

Aetherflux has focused its efforts on space-based solar power, with the goal of "building an American power grid in space." ...

In this week’s edition of The Prototype, we look at a startup that’s industrializing big satellite manufacturing, transparent ...

The stealthy startup plans to use a network of satellites to harvest sunlight and send it to Earth using infrared lasers.

Commercial spaceflight is booming and looks to go into full-on kaboom stage in the near future, sparking the need for an ever ...

I/ATLAS comet is the 3rd-ever object discovered that originated from outside our solar system. It's not a threat, approaches ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space ...

NASA has lost contact with its MAVEN spacecraft that has been orbiting Mars for more than a decade. Here's what we know.