Measuring the expansion rate of the universe - Hubble constant tension explained

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

NASA's incredible new telescope will offer an 'atlas of the universe'

Get a first look at the completed observatory.
Live Science

Radio signal discovered at the center of our galaxy could put Einstein's relativity to the test

Is the ultradense core of a gigantic star lurking in the center of the Milky Way? Scientists think they may have found just that: the signal of a pulsar, a rapidly rotating ancient star core, in the ...

The Emptiest Places in the Universe Might Contain Its Best Secrets

Once dismissed as empty expanses between galaxies, cosmic voids are becoming one of the most promising tools for probing the ...
Space.com

The expansion of our universe may be slowing down. What does that mean for dark energy?

"If these results are confirmed, it would mark a major paradigm shift in cosmology since the discovery of dark energy 27 years ago." When you purchase through links on our site, we may earn an ...
Live Science

Largest-ever 3D map of the universe shows 47 million galaxies, from the Milky Way to 'cosmic noon' — Space photo of the week

This snapshot is just a small part of one of the most comprehensive and spectacular views yet of the universe — a web-like structure formed by millions of galaxies, stretching back to near the dawn of ...
Scientific American

After all these years, the Hubble Space Telescope is still awesome

On April 24, 1990, humanity launched a scientific revolution. I mean “launched” literally: on that date the space shuttle Discovery roared into the sky with the Hubble Space Telescope nestled in its ...