Dark matter, dark energy, the Hubble tension: underpinning these theories is Einstein’s general theory of relativity, which treats space and time as a unified “spacetime” and considers ...
Dark energy, this still mysterious force that accelerates the expansion of the Universe, may have reversed in the distant ...
"The singularity is the most mysterious and problematic part of a black hole. It's where our concepts of space and time ...
The Hubble eXtreme Deep Field (XDF) is the deepest image of the Universe, created from a decade of observations in the Fornax constellation. Hubble captured the massive galaxy cluster MACS ...
For years, scientists have used a well-established model to explain how the universe evolves. The standard theory, called the ...
This NASA/ESA Hubble Space Telescope image features a sparkling spiral galaxy paired with a prominent star, both in the ...
The Hubble Space Telescope image offers an up-close view of one section of the nebula, which is largely shaped by a young ...