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Your search for "astrobiology" returned 27 results
How the 'Wow!' Signal Works
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/wow-signal.htm
In 1977, SETI volunteer Jerry Ehman saw a transmission so exciting he circled it on paper and wrote the word "Wow!" It seemed to indicate a message from outer space. But what was it really?
What if Earth changed its orbit?
science.howstuffworks.com/science-vs-myth/what-if/what-if-earth-changed-its-orbit.htm
Our planet's path around the sun defines life on Earth. What would happen if it changed?
Mexico's Giant Crystal Cave Is Beautiful But Deadly
science.howstuffworks.com/environmental/earth/geology/mexico-giant-crystal-cave.htm
Massive gypsum crystals were discovered beneath Mexico's Sierra de Naica Mountain in very inhospitable environs — to humans anyway.
Lava Tubes on Earth Could Prepare Us for Life on the Moon and Mars
science.howstuffworks.com/lava-tubes-on-earth-could-prepare-us-for-life-on-moon-and-mars.htm
By studying these geological formations here on Earth, we may be able to learn how to live on other planets.
What If the Oceans Disappeared?
science.howstuffworks.com/science-vs-myth/what-if/what-if-oceans-disappeared.htm
People would look underground for water and maybe just stay there to escape the fiery hell on Earth's surface. But could humanity really last without the seas?
Has Earth reached its carrying capacity?
science.howstuffworks.com/environmental/green-science/earth-carrying-capacity.htm
Carrying capacity is the idea that sustainability requires balance. Learn about carrying capacity and human population.
Are we looking for aliens in the wrong places?
science.howstuffworks.com/weird-life.htm
Weird life may be organisms that don't depend on water or that don't have DNA at all. Find out how scientists are searching for weird life forms.
How Space Collisions Work
science.howstuffworks.com/dictionary/astronomy-terms/space-collision.htm
Space collisions happen when stars, asteroids and even galaxies smash into one another. Learn what space collisions look like and what the results are.
Why don't we live underground?
people.howstuffworks.com/live-underground.htm
To live underground takes some serious planning: We've adapted to sunlight and air on the surface. Learn how to live underground and why it matters.
What is the history of the remote control?
science.howstuffworks.com/innovation/repurposed-inventions/history-of-remote-control.htm
These days, remote controls seem to, well, control our lives. Most people tend to have piles of them strewn about their living rooms. But where did this ubiquitous technology come from? Where is it headed?