In our Solar System, astronomers often divide the planets into two groups -- the inner planets and the outer planets.…
The space community lost a colossus of the of the Apollo era last week, when John Houbolt passed away last…
There are dozens upon dozens of moons in the Solar System, ranging from airless worlds like Earth's Moon to those with…
Will anyone see next week’s solar eclipse? On April 29th, an annular solar eclipse occurs over a small D-shaped 500…
The eight planets in our solar system each occupy their own orbits around the Sun. They orbit the star in…
If you're interested in planets, the good news is there's plenty of variety to choose from in our own Solar…
The month of April doesn’t only see showers that bring May flowers: it also brings the first dependable meteor shower…
It's truly a "eureka" moment for Kepler scientists: the first rocky Earth-sized world has been found in a star's habitable…
Don't let them pass you by. Right now and continuing through July, the biggest and brightest asteroids will be running…
Talk about a high-flying career! Being a government astronaut means you have the chance to go into space and take…