An alien weed creeping through southern Kenya may threaten the largest wildlife migration on the planet, scientists say. The toxic plant, called Santa Maria feverfew, can also sicken people and ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far.

Scientists have spotted the first evidence of an alien world with an atmosphere that's layered like Earth's — although perhaps a little too toasty for human tastes. The planet, dubbed WASP-189b ...

It’s unlikely that we’ll see a wave of alien-weed crossover films in the coming years. While possible, it’s a rather niche subject to work with. Most likely, we’ll get a few here and there.

British researchers have found the "strongest evidence yet" of alien life beyond Earth with the discovery of an ocean-covered planet far beyond our solar system. While studying exoplanet K2-18b ...

Tabby’s star probably isn’t surrounded by an energy-sucking alien super-structure. But it may have eaten a nearby planet.

An alien planet has been discovered that may be "teeming with life" as scientists reveal the exact date we will know whether extraterrestrials exist could be "within one to two years".

Scientists have discovered a terrifying alien planet that, while it may look like Earth, conceals some deadly conditions that have led NASA to describe it as a “nightmare world”.. The giant ...

Colonizing Mars would be a gargantuan task made infinitely easier if humans had the ability to terraform the planet. Turning the fourth rock from the Sun into a convincing facsimile of our own ...