Throughout August, early risers will be able to spot two planets before sunrise: Jupiter and Venus. The pair will be shining ...

Just 39 light-years away, the Trappist-1 system hosts seven Earth-sized planets orbiting a dim red dwarf star,three of which lie within the habitable zone. These alien worlds may harbor the ...

– Gavriel, age 10, Paducah, Kentucky A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about 4½ billion years ago. Then the planets began to ...

It’s a direct glimpse of the hot region where rocky planets like Earth are born,” said Melissa McClure of Leiden Observatory ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...

Scientists may have discovered a dwarf planet far beyond Neptune — an unearthing that may disprove a longstanding theory about the possibility of a giant ninth planet. The dwarf planet's existence ...

Our solar system may have a ninth planet after all, researchers say. The possibility that an additional planet may be hidden far into the solar system was touted more than a century ago.

Venus is the hottest planet in the solar system due to its thick carbon dioxide atmosphere, trapping heat as part of a runaway greenhouse effect. To stream 13News Now on your phone, you need the ...

Like the planets in our solar system orbit the sun, most exoplanets also orbit a star. To date there are over 5500 known exoplanets confirmed by NASA, with trillions more predicted to exist within ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Curious Kids is a series for children of all ages. If you have a question you’d ...

This process, called accretion, is how everything in the solar system – planets, moons, comets and asteroids – came into being. Telescopes can see young solar systems being born.

A cloud of collapsing gas created our Sun, the first thing to form in our solar system. This happened about 4½ billion years ago.. Then the planets began to emerge, as the billions of particles ...