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...
In this article we explain the process of star formation for regular Sun-like stars. Stars form from an accumulation of...
Until recently, the only way to observe the Universe was from light received by telescopes. But we are now able to...
Of the thousands of stars known to host exoplanets, which are planets outside of our solar system, a particularly...
Recently, thousands of planets have been discovered orbiting distant stars. We call these far-away planets exoplanets...
Matter is what we call all of the “stuff” that makes up the universe. Ordinary matter, such as atoms, makes up only...
Astronomers think they have found a planet that has a giant set of rings around it, over 200 times larger than the...
