Explore Space Missions
![](/images/icons/mission_exploration.jpg)
For as long as there have been people on Earth, we have looked up at the sky and wondered ...
Read more
![](/images/icons/mission_human.jpg)
It was not long after the first space satellites were launched that we succeeded in getting ...
Read more
![](/images/icons/mission_unmanned.jpg)
Satellites and robot spacecraft are important to space exploration. They let us explore space ...
Read more
![](/images/icons/mission_links.jpg)
These are links to other great web sites about Space Missions. But beware: you don't want ...
Read more
![](/images/icons/mission_tours.jpg)
Take off on an Exploratour! Click on one of the many tours listed below to follow a guided ...
Read more
Did you know?
Did you know that stars
pulsate?
Did you know that we have discovered planets around other stars – called exoplanets?
Earth and Space Science Concept of the Day
Do you know what this word or phrase means?
TuffxTuff : A type of rock consisting of consolidated volcanic ash ejected from vents during a volcanic eruption
Click on the word to find out!
Research Highlights
Scientists have learned that Mount Hood, Oregon's tallest mountain, has erupted in the past due to the mixing of two different types of magma. Adam Kent, a geologist at Oregon State University, says this...
Read more![](/olpa/images/mthood_small.jpg)