A TERRIFYING alien planet that “rains glass” lurks just 64.5 lightyears from Earth. Described as a “nightmare world” by Nasa, ...

宇宙中，不仅太阳系有行星，其他恒星系统中也存在行星。这些行星分为两类：类地行星和类木行星。类地行星主要由岩石组成，比如太阳系中的水星、金星和火星。而土星、木星、天王星、海王星属于类木行星，它们主要由氢和氦等轻元素构成，因此也被称为气态巨行星。

NASA’s newest mission to the moon successfully launched from the Kennedy Space Center early Wednesday morning.

The discovery comes just days before what is anticipated to be a bumper year for exoplanet discovery, with the James Webb Space Telescope scheduled to release more data.

Astronomy has unveiled some of the most impressive results: two Earth-sized Exoplanets orbiting a very nearby star called HD ...

The National Aeronautics and Space Administration (NASA) has shared an HD video of its astronauts walking in space outside the International Space Station (ISS). Unlike live streams, the footage ...