Pluto isn't alone—it's part of the Kuiper Belt with possibly hundreds of other planet-sized objects. Because Pluto hasn't achieved gravitational dominance in its region, the International Astronomical ...

By tracing the corkscrew wobble of two stars as they move through the sky, the Gaia space mission has discovered one new giant "planet," plus a new brown dwarf.

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

Samples from asteroid Bennu have delivered insights into the origins of Earth’s water and the organic molecules that may have ...

SETI normally listens for extraterrestrial signals. A SETI team has switched roles and considered where aliens can hear us ...

When we first began searching for planets around other stars, one of the surprising discoveries was that there are planets orbiting white dwarfs. The first exoplanets we ever discovered were white ...

Beautiful photos of the six planets aligned in the night sky have emerged online. Mars, Jupiter, Uranus, Neptune, Venus and ...

Pluto, our planet of profound change and ultimate reckoning, has set up shop in Aquarius, and the energy of the dwarf daddy of death ... new world-order energy to this transit.

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Dwarf planet Pluto and our Earth are the only two ... He has received 12 honorary degrees and is an Officer of the Order of Canada.

If Hot Jupiters are not always alone in their planetary system, then their migration process must be different in order ... brown dwarf (a celestial body whose mass is between that of a planet ...

NASA artist’s conception of a brown dwarf (main) and stock image of the planets in the solar system ... of sun-like stars in the Galaxy is on the order of 10 10 and that stars are commonly ...