The first day of fall is on Monday, Sept. 22, 2025, in the Northern Hemisphere. These are just two different ways to carve up ...

As of Monday, Sept. 22, the moon phase is Waxing Crescent, and according to NASA's Daily Moon Observation, there's just 1% visible tonight. Unfortunately, there's still not enough of the moon lit up ...

A study published in Nature found some regions on Earth experience peak spring at unexpected times. Researchers found ...

But for the most part, it’s bad news. The planet keeps heating up. So many of the disasters we were warned about years ago are starting to pile on. Meanwhile, the oil keeps flowing, the politicians ...

Located 12.8 billion light-years away, the black hole, called RACS J0320-35, weighs about a billion times the mass of our sun ...

President Trump’s proposed NASA budget looks to drop 41 science missions including 19 that are operational in space. The new ...

On the day of the 2025 autumnal equinox, the sun rises almost exactly due east and sets to the west. The months that follow ...

What if every volcano on Earth erupted at the same time? This video explores the science behind such a catastrophe, from ash clouds blocking the sun to global climate collapse, and what it would mean ...

Earth is the only planet in our solar system with a single moon, making it a rare phenomenon for a planet of its kind.

The launch carried with it few instruments to help observe the Sun at historically close quarters. Key among these are the ...

From cooler temps to fall foliage, there's plenty to be excited about for the start of fall — but what does the autumnal equinox actually mean?

The autumnal equinox arrives Monday, marking the start of the fall season for the Northern Hemisphere and the spring in the ...