"What If is an epic exploration of possibilities. What If is a Webby Award-winning science web series that takes you on a journey through hypothetical worlds and possibilities, some in distant corners ...

With 12 seasons and 279 episodes to choose from, The Big Bang Theory star Johnny Galecki's five favorites are some of his ...

A team of astronomers sifted through James Webb Space Telescope data from multiple surveys to compile one of the largest ...

“He was very taken with the thought that no phenomenon becomes a true phenomena until it has been observed,” Wald told Salon ...

In the modern universe, supermassive black holes at the center of galaxies and their host galaxies grow together. But this ...

Explore 9 cosmic mysteries, from galaxy formation to dark energy, the Big Bang, and life beyond Earth. Discover the ...

Astronomers compile a large sample of an unusual class of objects in an effort to connect the dots to the early universe.

In December 2022, less than six months after commencing science operations, NASA’s James Webb Space Telescope revealed ...

This is called the “heat death” of the Universe, but you can think of it instead as the death of heat. There will be no more ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

Quantum simulators are a completely new tool for research: quantum physics is studied by other kinds of quantum physics.