Aryan Mishra invites teens to astronomy

Asteroid discoverer Aryan Mishra wants to open teens' eyes to the beautiful and amazing possibilities that cosmos has in store.

Comet Hitchhiker concept takes a step

A spacecraft using Comet Hitchhiker orbits and lands on multiple comets and asteroids using a harpoon and tether and the energy of motion of the small bodies themselves.

Double black hole powers nearby quasar

One black hole may be 4 million solar masses, about the same mass as our Milky Way's central black hole. The other may be 150 million solar masses.

New Horizons’ potential next flyby target

New Horizons will perform four maneuvers in October and November to veer toward 2014 MU69 - an object in the Kuiper Belt - aiming for a January 1, 2019 encounter.

Origin of Saturn’s F ring and shepherd moons

The F ring, Saturn's outermost ring, is perhaps the most active ring in our solar system, with features changing on a timescale of hours.

New images from Dawn mission to Ceres

Dawn spacecraft has now moved to within about 900 miles (1,500 km) from the dwarf planet Ceres. See some early images from its new, closer orbit.

Liquid water elsewhere in our solar system?

If so, where are we likely to find it? Could we ever get to it? Would we be able to drink it? A planetary geoscientist explains.

Cosmic neutrinos confirmed at South Pole

Researchers say these high-energy neutrinos come from sources beyond our Milky Way galaxy. They say the ability to discover them heralds a new form of astronomy.

Fire fountains on moon mystery solved

A new explanation for the driving force behind ancient fire fountain eruptions on the moon. Plus ... do some volatiles on the moon and Earth have a common origin?

Captures of elusive red sprites from ISS

Why are sprites elusive? It doesn’t help that they flash on millisecond timescales. Also, they're above thunderstorms, usually blocked from view on the ground.