Far beyond the eight familiar planets in our solar system, countless bizarre and extreme worlds await discovery — and some ...

Here are my jokes for this quarter! Let’s start with one liners. My boss is so mean that when he cut up an onion, the onion ...

Scientists have unearthed facial bones that may belong to a previously unknown human species. The bones, nicknamed "Pink," ...

A "Blood Moon" will bathe a large swathe of the world in red light overnight Thursday during a rare total lunar eclipse.

With an orbit of 647 days, HD 20794 d is similar to Mars in our solar system. However, its orbit around the star is highly ...

The planet is about six times more massive than Earth and could be rocky, offering a unique opportunity to study a heavier ...

As it orbits its star, it moves close enough at one point to experience extreme heat, similar to Venus’s temperature. But at its farthest point, the planet is nearly twice the distance from Earth to ...

Artist's rendering of a potentially habitable super-Earth orbiting a star called HD 20794.Illustration credit: Gabriel Pérez Díaz, SMM (IAC) The ...