Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and densely packed with ...

Unfortunately for science fiction fans, desert worlds outside our solar system are unlikely to host life, according to new ...

A comet born around another star is carrying methane, and the chemical details of that methane are unlike anything ...

Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

The universe is at it again; scientists have been baffled by a discovery that turns all the knowledge they have on planetary ...

Jupiter’s moon Io is the most volcanically active place in the solar system. Let me tell you just how volcanic it is.

Observing the interstellar visitor after its closest approach, astronomers found that its composition appears to have changed ...

A new NASA spacecraft has started tracking the particle streams that can make a massive solar flare dangerous while mapping ...

Having originated from the distant Oort Cloud, the comet is making its closest approach to the Sun this week following which ...

Unfortunately for science fiction fans, desert worlds outside our solar system are unlikely to host life, according to new ...