An astrophotographer has captured an extremely rare and "difficult" photo of a solar flare exploding from the sun at the exact moment the International Space Station passed directly in front of our ...

Astronomers have announced the discovery of A11pl3Z, a massive new interstellar object entering our solar system.

Experts have confirmed that the mysterious object hurtling towards us, previously dubbed A11pl3Z, is an "interstellar object.

Two studies fill in gaps about the cosmos’s ordinary matter. One maps it all, even the “missing matter.” The other details one of its hiding spots.

In the late 18th and 19th centuries, the Industrial Revolution created demand for stronger, more reliable materials for machines, railroads, ships and infrastructure. The material that emerged was ...

Young planets are often too small to be detected directly, and many protoplanetary disks are too distant to be observed in detail. Instead, astronomers look for indirect evidence, such as rings, gaps, ...

Astronomers have witnessed a planet causing eruptions on its parent star. The discovery, published in Nature, could reshape ...

Beginning in the 1960s, satellite instruments have measured Earth's reflected broadband shortwave radiation and emitted ...