Geomagnetic storming of this magnitude is common on NOAA’s 5-level scale. However, several sunspot regions on the Sun are ...

Blocks of magnolia, cherry, and birch were then subjected to the extreme solar radiation, cosmic rays ... the LignoSat in December for a six month orbital trial. As it circles Earth, engineers will ...

A third, tenuously held companion to the known binary V404 Cygni may signal that at least some black holes form "gently." ...

After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...

These could indicate that the tiny world, which is about 45 times further from the sun than Earth, has an active icy volcano.

NASA’s Coronal Diagnostic Experiment (CODEX) is set to launch to the International Space Station to explore new details about ...

A distant white dwarf hosts an Earth-like planet in an orbit that might be similar to Earth’s if it survives the Sun’s red giant phase.