Gianluca Masi from the Virtual Telescope Project captured asteroid 2023 BU when it less than 40,000 km (25,854 mi.) away from ...

The spunky Lucy mission will make a second gravity assist of our world tonight as it heads off on its hunt for the solar ...

Over the last ten years, OPAL has observed Uranus' northern hemisphere, which has faced the inner solar system for the ...

Researchers using the Hubble Space Telescope have discovered water vapor in the atmosphere of planet K2-18b, located about ...

Nicknamed the Firefly Sparkle, this galaxy existed just 600 million years after the Big Bang and gleams with 10 distinct star ...

"As fascinating as the galaxy appears at visible wavelengths, some of NGC 5643's most interesting features are invisible to ...

A new theory explains how dozens of mysterious planet pairs discovered by the James Webb Space Telescope, dubbed "JuMBOs," ...

Once described as the most important telescope in history after the original built by Galileo, the Hubble Space Telescope has ...

Using a decade’s worth of data from the H.E.S.S. telescopes in Namibia, they’ve observed a sharp kink in the energy spectrum ...

The rate of expansion of the universe today is a figure known as the Hubble constant, which is typically measured in units of ...

Every night is a good night to look through a telescope (provided it’s not cloudy), but if you’re looking for an excuse, ...

The fate of telescopes in space is looking better now that they are being designed to be serviceable. Researchers developed a ...