Two European Space Agency Mars-orbiting missions, the Mars Express and ExoMars Trace Gas Orbiter spacecraft, watched as a powerful solar "superstorm" that ravaged Earth also struck the Red Planet. The ...

Electrons in solar materials can be launched across molecules almost as fast as nature allows, thanks to tiny atomic vibrations acting like a “molecular catapult.” In experiments lasting just 18 ...

When the surface of the Sun exploded with activity in May 2024, Earth was hit by the biggest solar storm in more than two ...

The Princeton-led NASA mission has officially begun its science mission to study the sun and everything it touches. Princeton marked the occasion with a panel discussion, science talks and a reception ...

A new metric tracking how quickly a single collision could cascade into an orbital debris catastrophe shows that low-Earth orbit is far more fragile than most people realize. Researchers behind the so ...

Scientists have long know many objects floating at the solar system's out edges resemble snowmen, but the reasons why were never clear. Now a student at Michigan State University has created the first ...

On a frigid orbit beyond Neptune, some of the solar system’s smallest worlds project a strange silhouette. Two rounded lobes, pressed together with a narrow “neck,” like a snowman that never melted.

It might not look like much, but a star system shouldn’t look like this (Picture: European Space Agency) Scientists have discovered something that they previously thought wasn’t possible – an ‘inside ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

NASA shared some new infrared images of the 3I/ATLAS interstellar comet this week, showing the visitor brightening up in a dramatic outburst while exiting a solar system. The images were taken by the ...