This photo shows the upper part of the water tornado model. The acrylic glas tank has a diameter of 50 centimetres and is illuminated with LED strips. The water forms a vortex whose surface shape ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Of the more than 6,000 known exoplanets in the Milky Way, so-called Sub-Neptunes are the most common. They are smaller than Neptune and more massive than Earth and believed to have rocky interiors ...

Wringing out clues that could change everything.

NASA’s Curiosity rover is attempting one of the rarest kinds of experiments ever tried on Mars, a painstaking chemical test that uses a limited supply of liquid reagents to hunt for traces of complex ...