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 ...

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

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

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." ...

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

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 one its three spacecraft orbiting Mars, the agency announced Tuesday. Meanwhile, a second Mars ...

Overview Energy, a new startup, plans to beam power from space-based solar arrays to Earth's solar farms for near-continuous ...

Before 3I/ATLAS, the only other confirmed interstellar tourists we've seen were the now-famous, cigar-shaped 'Oumuamua' in ...