Clara Moskowitz

Scientists have uncovered a new key to understanding the strange workings of neutron stars — objects so dense they pack the mass of multiple suns into a space smaller than a city.

NASA's Orion capsule, planned to be its next manned spaceship, safely landed during a flight test today (July 24) using just two of its three parachutes.

A giant radio telescope in Chile has captured amazing baby photos of what will eventually be a colossal star 11,000 light-years from Earth. Even more shocking: It's still growing, scientists say.

A temporary exhibition about the space shuttle opened Jan. 17.

Astronomers have detected exotic antimatter particles flying from the sun during solar flares — a discovery that could help scientists understand this mysterious sibling to matter.

An ambitious project aims to image the close environs of a black hole for the first time.

It's been 66 years since something landed on a ranch near Roswell, N.M.

Opportunity launched 10 years ago, on July 7, 2003.

Quantum mechanics is enabling chemical reactions in space that shouldn't be possible.

A Russian Proton-M booster exploded in a fiery crash shortly after launch yesterday.

The new Kennedy Space Center display of Atlantis is awesome, and brings up mixed emotions.

NASA unveiled a new design for its main online portal.

Farmers Bruce and Nelva Lilienthal found this meteorite while clearing their field in Minnesota. It turned out to be a rare type of space rock.

Bruce and Nelva Lilienthal noticed the stone was heavier than normal, and an odd shape.

The public can finally see the retired space shuttle Atlantis up close and personal in Florida.

The Kennedy Space Center Visitor Center features the retired shuttle Atlantis as if it were in flight.

Suborbital space tourist flights could launch from the seaside runway.

With new telescopes and simulations, astronomers may figure out how the first stars formed.

Space-tourism transactions could become easier with the new PayPal Galactic.