In Earth's upper atmosphere, a fast-moving band of air called the jet stream blows with winds of more than 275 miles (442 km) ...

Black holes that have been obscured by clouds of dust still emit infrared light, enabling astronomers to spot them for the ...

About 100 years after astronomer Edwin Hubble's discovered the "magnificent" spiral nebula, the Hubble Space Telescope and ...

Ever since NASA’s James Webb Space Telescope was launched, it’s been revealing more about the universe than even most ...

Astronomers have been confounded by recent evidence that the universe expanded at different rates throughout its life. New ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion of the universe — instead ...

Astronomers discovered the exoplanet in 2016, a gas giant that’s slightly larger than Jupiter with a fraction of its mass, ...

After a close look with a powerful radio telescope, astronomers are still puzzled by a pair of objects with strange ...

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun ...

A spectacular celestial event will unfold as six planets align in what astronomers call a planetary parade, offering ...

Using the Cerro Tololo Inter-American Observatory (CTIO), an international team of astronomers have performed deep optical ...

Pluto likely acquired large moon Charon in a “kiss and capture” collision billions of years ago. It may have created a ...