A new exoplanet model screens rocky worlds by their ability to retain atmospheres over geologic timescales, helping narrow ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

The character of Bishop was very important to the story told in 'Alien'. This is how!

But is it a planet or what?

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...