It seems to be possible for planets in a stable solar system to somehow get off track and run into each other. Is our planet in danger?
During a "meteor shower" bits of rocky material that enter our atmosphere from space burn up because of friction.
Beyond our atmosphere flies a lot of debris. Some fragments can be larger than mountains, but most is space-dust.
NASA is planning to send astronauts back to the moon for long missions. How are the astronauts going to stay in shape in zero or low gravity?
Most extrasolar planets are about the size of Jupiter, not Earth. So, is Earth's size and orbit unique?
What makes the sun shine? It's a question we rarely give much thought. However, there is a scientific explanation for this commonplace phenomenon.
You want to build a spaceship that can travel from Earth to the newly established colony on Mars, but there's no way a human crew can survive the trip.
Have you ever wondered about the terms "Black Hole" or "Supernova" meant? If no or even you would like to learn more, then listen to this edition of AMOS.
The startling experience of five British monks from the twelfth century who saw an enormous explosion occur on the moon. The moon still be vibrating today.
How many times have you actually seen a star explode or a asteroid at night? Have ever learned about how the records of these events are taken? Then tune in.