After a century of observations spanning the breadth of the cosmos and theoretical insights that push humanity's vision of the universe to its utmost limits, we can finally, confidently say that the ...

Dark-energy evidence suggests the universe will end in a “big crunch” roughly 20 billion years from now. The universe is nearing the halfway point of what may be a 33-billion-year lifespan, according ...

According to the equations that govern black holes, the larger one of these cosmic behemoths is the lower its average density – given that the universe contains a lot of relatively empty space, could ...

How did the universe come into being? There are a multitude of theories on this subject. In a Physical Review Letters paper, ...

We watch and we are always there,” goes the organization’s clumsy motto, embossed on the thick white business card that a ...

Theorists have found that a “warm” version of cosmic inflation is consistent with known physics, linking it to the hunt for ...

The Outer Worlds 2 early access starts on Friday, Oct. 24, at 1 p.m. EDT, based on the time shown on the PlayStation Store ...

Evidence of this quantum layer may be coming soon. Here’s what you’ll learn in this story: Physicists are still puzzling over ...

Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a different path.

Black holes are eaters of all things, even radiation. But what if their rapacious appetites had an unexpected side effect? A new study published in Physical Review Letters suggests that black holes ...

In other words, the universe does not just evolve. It remembers. This article was originally published at The Conversation. The publication contributed the article to Space.com's Expert Voices: Op-Ed ...

Plankton are the invisible engines of life on Earth, producing much of the planet's oxygen and forming the foundation of the ...