The Milky Way is one of the biggest in the observable universe: Even if you traveled at the speed of light, it would take 100 ...

The seven other planets in our solar system can be seen in the sky at once through Friday, forming a planet parade. But two ...

The moon, the Milky Way, Saturn, Venus, Jupiter Mars, Neptune, Uranus and comet C/2024 G3 are all visible at once in ...

Strange events at the heart of the Milky Way could point toward a new dark suspect that annihilates to influence the chemistry of the cosmos.

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." Spirals are a repeating theme in ...

In 2011, a project that surveyed the Milky Way galaxy for exoplanets — which are planets beyond our solar system — spotted an intriguing signal: They found two objects traveling together through the ...

A NASA telescope was launched into space from California on Tuesday for a mission to explore the origins of the universe and ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers using ...

Learn about NASA's SPHEREx mission, which will launch on March 7, 2025 to study the universe's early history and search the ...

Are aliens real? The Milky Way could have 40 billion Earth-sized planets, but many evolutionary scientists assume that intelligent life is vanishingly rare. A new study upends that belief ...

Using the James Webb Space Telescope (JWST), scientists discovered that the Milky Way's central supermassive black hole, Sagittarius A* (Sgr A*), is constantly streaming out flares without respite.

In March the bright winter constellations of Canis Major, Canis Minor, Orion, Gemini, Taurus and Auriga fill the southern sky ...