What If on MSN
What would happen if Mars orbited Earth?
Could we move to our new moon one day? Or is this one of those scenarios where everybody dies in the end? “Fly me to Mars..” ...
Even if Titan were much closer to Earth, creating a permanent settlement there would still be one of humanity’s greatest ...
When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?
For obvious reasons, the Sun’s influence weakens as you get closer to the edge of the solar system. But things might be a lot ...
A new study suggests that when our star becomes unstable in 5 billion years or so, Earth may avoid being engulfed by its ...
With new technologies come new opportunities. And that is especially true in astronomy—with every new advanced telescope, we have the potential to see (or in some cases, listen) farther and more ...
Perhaps you’re dreaming of obtaining your home’s electricity without having to rely on that provided by your town or city. If so, you’re hoping to go “off the grid.” And if that’s your dream, you’ve ...
Hints of high-pressure chemistry within a rare meteorite suggest this fallen space rock comes from a planet gone wrong in the solar system’s early history NASA ordered its astronauts to take refuge ...
The Earth is four and a half billion years old, so why they started appearing then is unknown, as is the mechanism to make ...
The team behind the observatory, a joint effort funded by the U.S. Department of Energy and the National Science Foundation, unveiled several images of the cosmos that were jampacked with celestial ...
Hopefully, we're about to travel back to the moon relatively soon. And while the original "giant leap for mankind" was taken ...
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