Meintest du stay?
For all of their roaring, growling, and ferociousness, lions are family animals and social in their own communities. Here are just a few of the reasons these big cats need our help.
Light from the moon or stars hits the cells and bounces
What if dinosaurs were still around? What would happen if you got sucked into a black hole? Get the scoop on some curious head-scratchers.
Most black holes form when dying stars collapse, creating
Cuba is the largest island in the Caribbean Sea.
Many international baseball stars have come from Cuba
Greece has the longest coastline in Europe and is the southernmost country in Europe.
clear water make Greece an ideal location to spot sea stars
Find out what it’s like to explore the stars, chart
Find out what it’s like to explore the stars, chart
If you think of the eight planets as members of Earth’s family—friendly cousins who swing by regularly and never cause any grief—then asteroids are the total strangers lurking in the neighborhood. And like strangers, their visits aren’t always welcome. Asteroids are the rubble left over from the solar system’s formation roughly 4.6 billion years ago.
videos The Milky Way What’s separating us from the stars
Learn about the solar system’s dwarf planets.
32 The Milky Way Now Playing 2:47 Shoot for the Stars
How this math whiz helped explorers reach new worlds
Fleur The stars were always within reach for Katherine
Get the facts on Mercury, the closest planet to the sun.
32 The Milky Way Now Playing 2:47 Shoot for the Stars
Learn about planet earth, including facts, why it’s a special spot in the solar system, and more.
32 The Milky Way Now Playing 2:47 Shoot for the Stars
