What If on MSN2h
What If Earth Had All of Jupiter's Moons?
"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a ...
These 6 planets will align in the night sky this month. How to see the ‘planetary parade'
Look up! Six planets grace the sky this month in what’s known as a "planetary parade," and most will be able to be seen with ...
Visitor from outer space may have warped the solar system
The orbits of Jupiter, Saturn, Uranus and Neptune may have been forever changed by an enormous object that whizzed through ...