Recent observations by the James Webb Space Telescope (JWST) have added new weight to one of the most perplexing problems in cosmology: the Hubble Tension. This issue, which describes the discrepancy ...
Physicists may have a brand-new way to measure the expansion rate of the universe — one of the biggest outstanding mysteries in cosmology — using space-time ripples predicted by Einstein. A new study ...
This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American What do we really know about our universe?
The following is an extract from our monthly Launchpad newsletter, in which resident space expert Leah Crane journeys through the solar system and beyond. You can sign up for Launchpad for free here.