Nola Taylor Redd

The newly discovered pulsar appears to be older than the star explosion that created it.

The sun finally woke up this year after a five-year slumber.

The youngest supernova astronomers have seen provides clues about where it came from.

Even as the planet orbiting Beta Pictoris twists and kinks the debris disk around the star, the disk drags and distorts the orbit of the planet.

The gullies of Mars may have been cut by dust and sand cushioned on gaseous carbon dioxide.

The massive planet 55 Cancri d flips itself upside-down and drags its four sibling planets along for the ride.

Refining the distance to the solar mass black hole in Cygnus X-1 allowed astronomers to precisely calculate its characteristics.

Hidden moons around Pluto could produce unforeseen hazards that could destroy NASA's New Horizons spacecraft.

Astronomers used NASA's WISE space telescope to take a detailed look at black hole jets.

Puzzling features on Europa's surface could hide lakes of water beneath them.

The Milky Way and its neighbor, the Andromeda galaxy, seem to be slowing down their rates of star formation.

Documents reveal who cut key passages that could have trumped Edwin Hubble's discovery of the expansion of the universe.

Astronomers using radar to ping asteroids and other objects to learn more about them.

The water in ancient Mars' past may have existed predominantly underground.

Astronomers have finally pinned just how long it takes for sunrise on Neptune.

Astronomers studying the Martian atmosphere have found up to a hundred times more water than anticipated in the upper atmosphere.

When two city-sized stars with solar-sized masses merge, the result is a high energy blast wave that lasts for months.

Super-Earth planets may result from failed gas giants, a new theory suggests.

The process of convection, which resembles boiling water, helps astronomers to understand what's happening deep inside of a pulsating star.

A star from the Milky Way challenges theories of star formation.

Astronomers have found a galaxy they've dubbed the 'missing link' of radio astronomy.

The unique relationship between age and the pulsing of Cepheid variable stars allowed astronomers to determine that the star formation in the Milky Way more than tripled a few million years ago.

Astronomers studying supernovas narrowed down the likelihood of the pairings that produced them.

Using a pressurized "oven," Earth-bound scientists seek to create what Jupiter's atmosphere might look like.

Scientists have long thought the Earth's moon was vital for its habitability. But that may not be so.