Shattered glass does not leap back into your hand. Smoke from a match does not gather itself and crawl back inside. In ...

These images help to unravel the magnetic mechanisms driving the sun's behavior and shaping the space environment throughout ...

Less than two months after being unfurled in space, Japan’s IKAROS solar sail accomplished its ambitious aim—becoming the first spacecraft to travel in space, powered by the sun. Now, it’s ...

A gigantic plasma eruption from the sun's hidden far side recently launched a sizable coronal mass ejection that slammed into Mercury, potentially triggering invisible X-ray auroras around the ...

Mysterious nickel gas detected in interstellar comet 3I/ATLAS, revealing unexpected chemistry at enormous distances from the ...

The sun rises and sets every day. We plan our lives around it. It's ironic, then, that "we know so little about the star at the center of our solar system," says Matina Gkioulidou, a space physicist ...

The Sun seems like a perfectly reliable, unchanging presence in the daytime sky, but it’s not. Intense heat and pressure in its core fuses hydrogen atoms into helium, fueling the cosmic fire that ...

The new approach uses a purely optical technique called stimulated two-photon excitation to generate streams of photons in different polarization states directly from a quantum dot without requiring ...