Explore the evidence that supports the theory of the expanding universe, including the observations of distant galaxies and ...

An expanding universe complicates this picture just a little bit, because the universe absolutely refuses to be ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. Everything on Earth, in our solar system, our galaxy, and beyond is contained within ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, ...

If the universe as we know it started with the Big Bang, will it also have an end? If the universe as we know it started with the Big Bang, will it also have an end? And if it’s going to end someday - ...

The largest-ever three-dimensional map of the cosmos, plotting out some 15 million celestial objects, could help reveal the ultimate fate of the universe. Astrophysicists know that the universe is ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The prevailing consensus in astrophysics is that the universe has ...

The plot represents the new model with the x-axis and the y-axis showing the minimum sizes of collapsing and expanding regions that can impact cosmological measurements. The contours are independent ...

Cosmologist Katie Mack breaks down what the latest findings about dark energy mean for our universe’s future. Either way, it won’t be happy. Dark Energy Spectroscopic Instrument (DESI) collects data ...

If there is an absolute law in the universe, it’s that nothing can travel faster than the speed of light. For science-fiction enthusiasts, that’s a bit depressing. Space is big, and while the speed of ...

This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker. Get the Popular Science daily ...