
Don’t Worry About Bennu (Yet)
Careful measurements using the OSIRIS-REX spacecraft have refined astronomers’ predictions for how likely it is that this potentially hazardous asteroid will strike Earth.

NASA's OSIRIS-REX Leaves Asteroid Bennu, Heads for Home
NASA’s asteroid explorer has begun its long journey home with precious cargo onboard: samples of the asteroid Bennu.

Astronomy in Space with David Dickinson
NASA's Osiris-REX Has Stowed Its Bite Out of Asteroid Bennu
NASA’s Osiris-REX successfully stowed its sample of Bennu's regolith, collected earlier this week. Images show a good haul.

Asteroid Bennu’s Activity Still a Mystery
The near-Earth asteroid constantly shoots out rocks, leaving planetary scientists perplexed.

Bumpy Road Ahead For NASA’s Osiris-REX
Asteroid Bennu is turning out to be a hazardous place for the NASA spacecraft to sample: It has uneven, rugged terrain and occasionally even hurls rocks into space.

Osiris-REX Finds Hints of Past Water on Asteroid Bennu
The NASA spacecraft detected signs of hydrated minerals on Bennu's surface, suggesting that the asteroid's larger parent body once hosted liquid water.

Astronomy in Space with David Dickinson
Osiris-REX Arrives at Asteroid Bennu
NASA's ambitious Osiris-REX mission will now spend the next couple years surveying Bennu before attempting to return a sample to Earth.

Astronomy in Space with David Dickinson
Osiris-REX's First Views of Asteroid Bennu
NASA's Osiris-REX asteroid sample return mission spies target Bennu for the first time. Now the spacecraft is setting up for its close approach in December.