After a year of protests from astronomers, authorities have abandoned plans for a giant, light-polluting renewable-energy ...

The world’s darkest observatory skies have just survived one of their biggest industrial scares. After months of mounting ...

This year will offer skywatchers several occasions to wonder at the marvel above us, according to the Old Farmer's Almanac.

A potential ransom note sent to TMZ reportedly contained information suggesting Nancy Guthrie may no longer be in Arizona.

Investigators are still working to analyze the scant available video that could lead to finding Nancy Guthrie as the search ...

Last week AES Andes—a subsidiary of the AES Corporation, an American energy company—announced it had scrapped its plans for a ...

The solar storm was triggered by an intense X8.3-class flare on Feb. 1, followed by another powerful X4.2 flare on Feb. 4, keeping aurora chances elevated through Friday ...

NOAA warns of likely G1-class geomagnetic storms on Thursday, Feb. 5, through Friday, Feb. 6, as a coronal mass ejection from ...

A rare total lunar eclipse will be visible from most of the United States on March 3. Here's where and when to look.

In the shadow of a bitterly cold winter, Punxsutawney Phil is set to tell us whether respite is on the way. Follow along here.

A G1 or G2-class geomagnetic storm is possible on Wednesday, Feb. 4, as a coronal mass ejection from a powerful X8-class solar flare struck Earth's magnetic field.

More people participating in the citizen science project Globe At Night could help fill gaps in what astronomers know about ...