Today: “I’m a little teapot, short and stout. The galactic center, I pour it out.” (I’m a Little Teapot, astronomy version, ...

The OSIRIS-REx spacecraft's name has been changed to OSIRIS-APEX for its new mission to asteroid Apophis. See its journey to ...

Opposition means that Saturn is on the opposite side of the Earth as the Sun. When an object is in opposition, it is at its ...

OSIRIS-REx drew on decades of our experience building spacecraft for planetary exploration, incorporating technologies and design approaches from missions including Mars Reconnaissance Orbiter, MAVEN ...

NASA Planetary Scientist Noah Petro dishes on what it took plan the impressive touch-and-go return mission, why much of the ...

ETH Zurich’s Science Advances study reveals Jupiter filtered early solar dust into a water-ice-line transition zone near the ...

A new investigation into the isotopic composition of asteroid Bennu, of which NASA returned samples to Earth, has found it ...

“Rex Junior” was discovered on a Wyoming ranch decades ago, but paleontologist Paul Sereno says researchers are only now realizing just how extraordinary it is Dan Vidal; Getty A 67-million-year-old T ...

Kent Hups set out one morning on a research expedition in the famed Hell Creek Formation, a series of fossil-rich sedimentary rock layers in the western United States. The vast formation, spanning ...

SpaceX is often described as a commercial space company, but government contracts remain one of the most important parts of its business story. NASA helped build the foundation through crew and cargo ...

Chemical clues preserved inside fossilized T. rex teeth reveal that the dinosaur maintained a body temperature of about 97 degrees Fahrenheit, almost identical to humans. The finding provides direct ...

"Rex Junior" is a partial but perfectly preserved Tyrannosaurus skeleton found on the Zerbst Ranch in eastern Wyoming. A paleontologist said that the "extraordinary specimen" could rewrite 100 years ...