Orbital transfer vehicles launch atop rockets, carrying other spacecraft that they deliver to specific, often hard-to-reach, orbits. The new early-stage studies for NASA should be complete by ...

Exoplanet TRAPPIST-1 e may contain an atmosphere and liquid water, NASA scientists said. Research into the exoplanet is ...

Could a recently discovered "super-Earth" have the potential temperature and conditions to sustain life? The new exoplanet is situated "fairly close to us" -- only 137 light-years away -- and orbits ...

The orbits of a seven-planet system discovered in Kepler Space Telescope data has been sonified. Credit: Bishop’s University ...

The spacecraft is set to plunge to its death in Saturn's atmosphere in April. — -- NASA's Cassini spacecraft is beginning a series of "ring grazing" orbits today to study Saturn's rings and moons ...

Recently, NASA released an exciting announcement: scientists are using the James Webb Space Telescope to observe a ...