This article describes one of the most important chapters in scientific history, which contributed to the modern...
Have you ever heard of black holes? Black holes sound like objects from a science fiction story. These objects are dark...
Studying invisible objects in space that are hundreds of millions of <xref ref-type="boxed-text" rid="KC1">light...
Acoustic levitation uses sound waves to hold objects in mid-air. We are all familiar with the power of sound to make us...
Modern-day Mars is a dry, harsh environment with no surface water, but billions of years ago it might have been...
There is still a lot we do not know about the universe. Understanding the existence and make-up of a mysterious...
On July 20, 1969, astronaut Neil Armstrong became the first person to walk on the moon. Over the next 3 years, 11...
Neutrinos are tiny, subatomic particles. Billions of them pass through us every second—mostly coming from our sun. But...
Measuring distances to other galaxies is an important part of our ability to understand how the universe works...
Stars like the Sun have dark spots on their surfaces. These dark spots are important for astronomers, because they...
On a summer day in 2017, astronomers around the world received a message about an exciting collision of two stars far...
Telescopes are the fundamental instruments that astronomers use to make discoveries about the Universe. With...
