Activity on the sun is not constant; it varies along a cycle of about 11 years. The peak of this solar cycle — called solar ...

Astronomers traced a mysterious 'scar' of ionized gas around the solar system to two stars that had a close flyby with our ...

BOSTON (AP) — A Boston-area man was sentenced Thursday to life in prison for the grisly murder of his wife, who disappeared ...

For the first time, scientists have created detailed, 2D maps of the sun's outermost atmosphere. This feat was accomplished ...

The space object, which was only recently discovered by scientists, will pass closest to Earth on Friday, December 19. Here's ...

Nigeria and Africa must not look away. A free press is not a Western import; it is a democratic necessity. Anyone ...

There's a lot you may not know about 25! Read these Christmas facts to learn about the origins of the holiday, Santa Claus, ...

This episode should serve as a reminder of why press freedom matters. Today, it is Russia taking offence. Tomorrow, it could be any other power—Western or otherwise—unhappy with scrutiny. If we allow ...

NASA has now confirmed that 3I/ATLAS is not just another visitor from deep space but the largest interstellar comet ever ...

Sub-editors are, as Byron might describe, creatures of the night, “mellowed to a tender light that heaven to gaudy day denies ...

Loureiro, 47, was an award-winning theoretical physicist and fusion scientist who was widely respected in his field. He was ...

Launched in March, NASA's SPHEREx space telescope has completed its first infrared map of the entire sky in 102 colors.