NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

Light is a time machine: all we see, from stars to galaxies, shows the past. Expanding space stretches light, letting ...

Many textbooks and science educators have attempted to describe the Big Bang as the birth of the universe — an explosive ...

That’s an observation, made around a decade ago, that the universe seems to be expanding faster than it should be according ...

The findings suggest that astronomers’ widely accepted cosmology models might be missing something—meaning the longstanding mystery known as the “Hubble tension” continues ...

Northwestern University is officially a founding partner of the Giant Magellan Telescope (GMT), an enormous ground-based ...

Hubble’s OPAL program tracks Jupiter, Saturn, Uranus, and Neptune Seasonal and atmospheric changes revealed over a decade Key insights into gas giants’ weather systems shared by NASA ...

Scientists are stunned by new data from the James Webb Space Telescope, which confirms that the universe is expanding at an ...

This NASA/ESA Hubble Space Telescope image features the glorious spiral galaxy NGC 5643, which is located roughly 40 million ...

New Hubble Space Telescope images of a black hole-powered quasar reveal 'weird' structures and gigantic jets of energy that ...

Now, to the dismay of researchers, a new study designed to double-check the calculated rate of the universe's expansion – ...

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