The Hubble tension is one of the most hotly debated discrepancies in all of astronomy. It centers around a number called the ...

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

This campaign of observations used a coronagraph, a system that creates little eclipses by blocking the light of stars. In ...

NASA released full color James Webb Space Telescope images of the Carina Nebula, exoplanet WASP-96 b, Southern Ring Nebula, Stephan’s Quintet and SMACS 0723. Here's a preview of the 5 targets from ...

For the first time, the NASA/ESA/CSA James Webb Space Telescope has detected and "weighed" a galaxy that not only existed ...

In “Pillars of Creation,” Richard Panek shows how the James Webb Space Telescope is altering our view of the cosmos ...

Hubble Space Telescope can "only see the universe in shades of grey," according to NASA's Goddard Space Flight Center. Learn how the imagery is processed into amazing color views of the cosmos. Credit ...

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

From 2014 to 2024, the NASA/ESA Hubble Space Telescope has been studying the outer planets under a program called OPAL (Outer ...

Fresh corroboration of the perplexing observation that the universe is expanding more rapidly than expected has scientists ...

The Hubble Space Telescope has peered deeper than ever before into the heart of the supermassive black hole-powered quasar 3C ...

Encountering Neptune in 1989, NASA’s Voyager mission completed humankind’s first close-up exploration of the four giant outer ...