While long-fabled technologies like Smell-O-Vision are still a long way off from ever being a reality, astronomers can still technically smell stuff deep in space without actually having to get a whiff of anything with their noses. Using the James Webb ...

Exoplanets are planets that orbit stars other than the sun and thus exist outside the solar system. The word "exoplanet" derives from the term "extrasolar planet," which hints at its existence beyond the influence of our star.

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, Neptunian planets with gassy atmospheres and rocky cores, and ...

Nearly two dozen ‘Earth-like’ planets that could be crawling with alien life have been identified by scientists. Exoplanets are what scientists call worlds that orbit other stars (though some are ‘rogue planets’ that don’t orbit anything at all).

An alien weapon has been found on Mars, according to a top UFO researcher. RadarOnline.com can reveal an image taken by NASA's Curiosity rover shows a long, narrow formation protruding from rocky terrain, and a UFO specialist believes it could be evidence of a long-ago conflict on the Red Planet.

An unusual long line of illuminous lights caught the attention of people across the UK

A NASA team is pushing an audacious plan to hunt for alien worlds by creating an artificial eclipse in space, placing a vast 'starshade' some 175,000 kilometres above Earth so ground-based telescopes can finally see planets hidden in the glare of distant stars.

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace

Investor excitement around the SpaceX IPO is colliding with peak Elon Musk futurism after a new social media post featuring his musings about light-speed travel and exploring alien worlds. In a social media post Monday afternoon, Musk leans into his long ...