The bright object — part of a Chinese rocket — appeared in skies over the western U.S. around 9:30 p.m. Pacific Time, sparking a flurry of reports and a number of striking videos.
Think summer's hot on Earth? Space physicists tracking weather on Jupiter say the roar of the raging storm we call the Great Red Spot heats the outer atmosphere above it by more than 1,000 degrees F.
He's the man with a seemingly endless stream of science fun facts at his command. He's also a great gourmet. We talk to the famed scientist about how his two great passions collide in the kitchen.
The "Pluto: Not Yet Explored" stamp has traveled farther than any other stamp, hitching a ride on the New Horizons space probe, which accomplished its closest flyby of the dwarf planet last summer.
A new standardized docking port is bound for the International Space Station, in a mission that caused a sonic boom over Central Florida early Monday morning.
Early Tuesday morning, the probe reached Jupiter's obit after a 540-mile journey. One of its tweets read: I'm ready to unlock your secrets, #Jupiter. Deal with it.
"It's getting very real," says a leader of the mission to put a spacecraft into orbit around the large planet whose radiation and dust particles pose dangerous challenges.