This paper provides concrete evidence that the expanding and accelerating Universe mathematically expressed by dark energy is ...

NISAR is "the most sophisticated radar we have ever built." A joint Earth-observing satellite from the Indian Space Research Organization (ISRO) and NASA is ready for launch. A Geosynchronous ...

A new discovery challenges the previously accepted understanding of how stars interact with black holes. While it’s often said that lightning never strikes the same place twice, black holes seem to ...

Outer space is my Roman Empire: I am on some level obsessing about it whenever I have a free moment. I will devour true stories of discovery and space travel or mind-bending concoctions of science ...

Since the beginning of Earth's history, tiny particles of rock and metal from space have been hitting our planet. On clear ...

Immediately after the Big Bang, which occurred around 13.8 billion years ago, the universe was dominated by unimaginably high ...

An infinity symbol–shaped galaxy hosts an active supermassive black hole. The growing giant may have come from the aftermath of a galactic smashup.

“The gas spans the entire width of the system and was likely shocked and compressed at the collision site,” they and their ...

The Solar Dynamics Observatory saw a lunar transit and an Earth eclipse on July 25 — the first when the moon passed between it and the sun, and another when Earth did the same.

The latest data on asteroid 2024 YR4 has scientists confident that Earth is no longer in the bullseye. However the enormous ...

More than 250 million people in the U.S.—nearly three quarters of the population—are experiencing moderate, major or extreme risk of heat effects on July 28, according to the National Oceanic and ...

“三伏天” 这个名字的由来，和古代的阴阳五行学说有关。在古人的观念里，“伏” 表示阴气受阳气所迫藏伏在地下。三伏天期间，阳气最为旺盛，阴气被迫潜伏，天气也就热到了极致。