Drawing together leading experts from across the field, an international collaboration of cosmologists has created a unified ...

Following in the wake of the original Golden Records, a new deep-space delivery hopes to introduce a ‘mostly harmless’ humanity to alien life ...

The “horizon” he points to isn’t a doorway to the divine, other scientists say. Yet, modern physics has been trying to answer questions once left to religion.

Immediately after the Big Bang boomed, the Universe was a trillion-degree 'soup' of unimaginably dense plasma. In a breakthrough experiment, researchers have found the first evidence that this exotic ...

It was a bold thought experiment: that only one electron makes up the entire universe. The most famous conversation about it took place between Richard Feynman, PhD, and John Wheeler, PhD, both ...

New data from major dark-energy observatories suggest the universe may not expand forever after all. A Cornell physicist calculates that the cosmos is heading toward a dramatic reversal: after ...

Using the James Webb Space Telescope, astronomers have investigated 70 dusty galaxies at the very edge of the universe that ...

“For the last 20 years, people believed that the cosmological constant is positive, and the universe will expand forever,” says Tye, a professor emeritus at Cornell. A positive constant acts like a ...

This enormous chain of hundreds of galaxies—a cosmic filament—is twisting through space 400 million light-years away ...

The shape of the cosmos depends on a balance of two competing forces: the pull of gravity and the expansion driven by dark ...

Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding ...

They show up as a mathematical solution in general relativity, basically as a time-reversed version of a black hole. Some ...