The known universe is full of shockingly huge things. Here are the largest planets, stars, galaxies, and structures we've ...

Jupiter is already the biggest planet by far in our solar system, but new research suggests it was somehow once even larger than it is now. Twice as large, in fact. To put that into context, those ...

In a once-a-year event, Saturn is about to reach opposition, with the ringed planet appearing its best and brightest as it ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

NASA’s Kepler mission has verified 1,284 new planets – the single largest finding of planets to date. “This announcement more than doubles the number of confirmed planets from Kepler,” said Ellen ...

After spinning in a vortex for months, the world’s largest and oldest iceberg is on the move again. Researchers from the British Antarctic Survey announced on Friday that the colossal iceberg, ...