Astronomers are now confident the Event Horizon Telescope can help them decode elusive origins of black hole jets.

NASA's James Webb Space Telescope has captured a unique image that revealed 44 individual stars in a galaxy 6.5 billion light ...

Astronomy can often give us clues to the past that are otherwise lost to history. In one case, an Italian astronomer has ...

"Astronomers will always assume a simple model unless there is overwhelming evidence that this simple model is flawed." ...

Galileo Galilei's telescopic discovery of Jupiter's four moons in 1610 revolutionized astronomy and supported heliocentric ...

Six planets will all be visible at once in the night sky this month, lined up across the sky—but one is set to disappear from view.

Chile's Atacama Desert is home to some of the best Earth-based observatories, though an energy company is throwing a wrench ...

In new research, we have for the first time tracked one of these pulsating signals back to its source: a common kind of lightweight star called a red dwarf, likely in a binary orbit with a white dwarf ...

The company will also look at making design additions to its BlueBird satellites to prevent them from reflecting too much ...

according to a paper published Monday in Nature Astronomy. Astronomers used Webb's high-resolution optics and distortion in space to reveal the existence of dozens of previously unknown stars ...

Some stargazers are calling it a planetary parade: Every other planet in our solar system can be seen in the sky tonight.