From Superman to The Darkest Knight and beyond, we've put together a list of the most powerful characters in DC Comics, and ...

I/ATLAS, a mysterious interstellar object racing toward the Sun, is baffling scientists with its speed and origin. Some ...

Astronomers have discovered an alien world that defies every planetary rule with its massive size, low density, and tilted ...

We're just weeks away from this interstellar visitor reaching its brightest in Earth's night skies. Will we see it?

Astronomers are investigating a strange class of exoplanets known as eccentric warm Jupiters — massive gas giants that orbit their stars in unexpected, elongated paths. Unlike their close-orbiting ...

We thought we understood planets, but the planetary disk chemistry of far-away XUE 10 is completely changing our conception ...

Pluto, our planet of profound change and ultimate reckoning, is going direct in Aquarius, and the energy of the dwarf daddy ...

Sir James Jeans, one of the world’s top mathematicians and an influential physicist and astronomer at the time, advanced his tidal hypothesis of planet formation in 1916. According to this theory, ...

A recent study introduces the idea of Planet Y, a theoretical world that could explain strange gravitational behavior beyond ...

On October 6 1995, at a scientific meeting in Florence, Italy, two Swiss astronomers made an announcement that would transform our understanding of the universe beyond our solar system. Michel Mayor ...

They feast on bubbles of methane seeping out of the ocean floor. Could their appetites be harnessed to slow climate change?

A mysterious "rogue" planet has been observed gobbling six billion tons of gas and dust a second—an unprecedented rate that ...