We thought we broadly understood how planets and stars form. But the discovery of dozens of pairs of young planets in a nearby nebula threatens to turn that on its head. They are worlds that simply ...

Isaac Newton was an English polymath who worked in many areas, such as math, physics, astronomy, alchemy, theology, writing, and inventing. His work changed the way people thought about the universe ...

Far smaller and closer to the Sun than it should be, Mercury has long baffled astronomers because it defies much of what we know about planet formation. A new space mission arriving in 2026 might ...

An exoplanetary system about 116 light-years from Earth could flip the script on how planets form, according to researchers who discovered it using telescopes from NASA and the European Space Agency, ...

Earth is known as the Blue Planet because it has so much water on its surface Life on Earth depends on water to survive - which is why scientists look for signs of water when searching for life on ...