In 2001, the Hubble Space Telescope was directed towards a star in Pegasus, and a wobble was discovered. This observation led to the discovery of HD209458 B—Osiris, the planet that is fittingly named ...

An exoplanet discovered back in 1999 has been revealed to have six different chemicals in its atmosphere—a first. HD 209458 b, also given the nickname Osiris, is a planet in another star system very ...

NASA's OSIRIS-REx mission finally accomplishes its journey and expedition on the recently concluded touch-and-go (TAG) landing on Asteroid 101955, also known as "Bennu," to collect samples for ...

NASA’s OSIRIS-REx spacecraft dropped off a capsule containing several ounces of rocky, dusty material it collected from the asteroid Bennu on Sunday, successfully closing out the agency’s first ...

The asteroid Bennu is a scientific gem, but a potentially dangerous one: No other space rock has a higher known probability of hitting Earth in the next 200 years. NASA's OSIRIS-REx asteroid-sampling ...