Astronomers have found a compact solar system whose planets line up in a way that, according to current models, should not be possible. Around the small star LHS 1903, a dense rocky world orbits on ...

As you read, you are flying through space at hundreds of thousands of miles per hour. Not only is our planet hurtling around the Sun at incredible speeds, our entire solar system is thought to be ...

For the first time since 2008, two new planets are being added to one of northern Maine's most famous — and scientifically accurate — roadside attractions. Dwarf planets Haumea and Makemake are the ...