Pluto was considered a planet up until 2006, when researchers at the International Astronomical Union voted to “demote” it to dwarf planet.


Pluto was considered a planet up until 2006, when researchers at the International Astronomical Union voted to “demote” it to dwarf planet.
According to NASA, over 100 tons of cosmic dust hit our planet every day, disintegrating into our atmosphere.
The moon controls the movements of the tides on Earth — but we still don’t know exactly how it got here.
All good things must come to an end, and, unfortunately for us, that includes the sun. But just how much time do we have until the light goes out?
Many people may have a general sense of what a black hole is, but here’s what you should know.