Space

Astronomy

Renegade stars in sun’s neighborhood

Some stars in the neighborhood of the sun may be renegades from the center of our galaxy.

Planetary Science

Mars Views Hint at Early Land of Lakes

New, high-resolution images unveiled this week not only offer supporting evidence that parts of ancient Mars resembled a land of lakes but also point out prime locations to look for fossils if life ever existed on the Red Planet.

Astronomy

Messy Findings: Planets encounter a violent world

Some young planets continue to take a beating hundreds of millions of years after they've formed.

Planetary Science

An early cosmic wallop for life on Earth?

New evidence from lunar meteorites suggests that debris bombarded the moon some 3.9 billion years ago, about the same time that life may have formed on Earth.

Planetary Science

Mars Rovers: New evidence of past water

Twin rovers on opposite sides of the Red Planet have found additional evidence that liquid water once flowed there.

Planetary Science

Martian water everywhere

Combining data taken from two craft orbiting Mars with images and spectra collected by one of the Mars rovers, a scientist has found evidence that a body of water greater in area than all the Great Lakes combined once covered the Red Planet.

Astronomy

Planet Signs? Sifting a dusty disk

Infrared spectra of a disk of debris surrounding the young star Beta Pictoris reveals three distinct bands of dust, suggesting the location of a possible planet flanked by belts of asteroids or comets.

Astronomy

More space sugar

Astronomers have found a second, colder source of the simple sugar glycoaldehyde in a dust and gas cloud 26,000 light-years from Earth.

Astronomy

Big Smash: Galaxy clusters in collision

Astronomers have unveiled the most detailed image ever taken of the collision of two clusters of galaxies.

Planetary Science

Tiny scope spies distant planet

Using a telescope not much bigger than Galileo's, astronomers have discovered a planet orbiting a star 500 light-years from Earth.

Astronomy

Sky Lights: Picture might show an extrasolar planet

A faint point of red light may be the first picture ever taken of a planet outside the solar system.

Astronomy

Crashing Genesis

Scientists are trying to salvage the fragile samples of the solar wind collected by the Genesis spacecraft, which crashed to Earth on Sept. 8 after its parachutes failed to open.