What scientists do know from limited laboratory experiments and astronaut data is that space presents a demanding environment ...

NASA was forced to end a critical fueling test of its giant Artemis 2 rocket early in the wee hours of Tuesday, delaying its ...

"We studied the last several orbits before the merger, when the entwined magnetic fields undergo rapid and dramatic changes, ...

It is time for Star Trek to boldly go where no streaming series has gone before: back to the 20+ episode seasons of old! It ...

A plan to build a light-polluting green hydrogen plant near one of the world's most important astronomical observatories has ...

After a major winter storm swept across the country in late January, a prolonged surge of Arctic air tightened its grip on ...

A planet that may exist, and may be habitable or may be frozen, has been discovered on an Earth-like orbit around a star 146 ...

Jupiter has had its length and breadth measured again, and it turns out the giant planet is skinnier and shorter than ...

"There is a growing chasm between theory and observation related to the early universe, which presents compelling questions ...

An impulsive X4.2 solar flare sparked strong radio blackouts across Africa and Europe as the giant sunspot continues to rage.

On Jan. 19, a powerful geomagnetic storm pushed auroral activity far beyond its usual range, allowing this exceptional sighting over Brazil.

The space agency conducted a crucial fueling test today (Feb. 2) with the Artemis 2 mission's Space Launch System (SLS) ...