TRAPPIST-1, a planetary system 40 light years from Earth, could host a planet with an atmosphere and liquid water, but astronomers can’t be certain just yet.

A recently observed object called 2025 PN7 was found orbiting near the Earth. The quasi-moon is expected to accompany our planet in a similar orbit for 60 years.

A 2014 astronaut photo shows a pair of volcanic lakes appearing to stare up into space from the Chiltepe Peninsula of ...

其次，模型能完美再现季节循环，但这更多来自对历史数据统计规律的「记忆」，而非对太阳辐射等外部驱动力的实时物理响应。这意味着，在面对未来由人类活动引发的、前所未有的气候变化情景（如二氧化碳浓度急剧升高）时，它的预测能力仍需通过引入相应的物理过程来进一步增强。

Late-stage planetary collisions reshaped Earth and its neighboring planets, delivering water, altering their atmospheres, and ...

NASA has confirmed asteroid 2025 RL2 is approaching. The space rock measures about 70 feet wide and is racing through space ...

Sooner or later, a sizable asteroid could impact a populated area on Earth. How is the US, and the world, preparing?

Building an accurate model of Earth’s climate requires a lot of data. Photography reveals the extreme efforts scientists have ...

We often wonder whether there are aliens on other planets but what if we ourselves are aliens on the planet we call home? Panspermia, the “controversial” theory that life “began elsewhere in space” ...

Earth's rotation is randomly speeding up, and nobody is quite sure why. These speedups, which have occurred several times over the last few years, haven't had any effect on daily life, but they also ...

Three missions aimed at observing space weather are set to launch Sept. 23 from Florida. Here's what to know about NASA's ...