
Space
Scientists Say: Planet
Planets have to orbit a star, be big enough to form a sphere and keep other objects out of their path around their star.
Planets have to orbit a star, be big enough to form a sphere and keep other objects out of their path around their star.
Weekly updates to help you use Science News for Students in the learning environment
Gravity is an attraction between objects with mass. The more massive the object, the more gravity it’s got.
For the first time, astronomers have taken the temperature of the cosmos at different times in its history. Galaxy clusters are cranking up the heat.
Some planets don’t orbit stars. They were kicked into space long ago. The newest, smallest one found is only about as massive as Earth.
Searching through data from NASA’s K2 Mission, researchers found a new planet. Some call it K2-315b, others smile and refer to it as “Pi Earth.”
Broken cables led to catastrophic damage of its history-making dish. The U.S. National Science Foundation will now dismantle what remains.
Damage to the radio telescope in Puerto Rico has robbed scientists of a special tool for studying everything from asteroids to galaxies.
This is the first time that scientists have seen hints of these weird side effects of lightning storms somewhere other than on Earth.
The new observations were made by a telescope on board a jet in Earth’s atmosphere. They confirm the presence of water on sunlit areas of the moon.
Traveling to Mars offers many challenges, including life without gravity, cosmic rays and communication delays.