NASA to announce a 'discovery beyond our solar system' tomorrow
You can watch it on NASA TV.
Uranus might have two more moons
Data from Voyager 2’s 30-year-old flyby is still serving up discoveries.
Juno probe makes the closest-ever encounter with Jupiter
You can expect Juno's photos of the close-up within days.
Hawaiian telescope spots a new dwarf planet beyond Neptune
Pluto has another friend.
Juno: An inside look at NASA's mission to Jupiter
The spacecraft's arrival next month will reveal the composition of the largest planet.
Most of the Moon's water might have come from asteroids
Comets aren't as much of a factor as previously thought.
Watch Mercury cross the Sun starting at 7AM Eastern
You can view this rare celestial event online.
Scientists find a tailless comet from Earth's early days
The rocky body got kicked to the edge of the Solar System billions of years ago.
Scientists observe the largest solar system ever discovered
An exoplanet is a trillion miles from its star.