“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 ...

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

Long before telescopes and space travel, ancient civilizations had incredibly creative ideas about what the universe looked like and how it worked. These beliefs shaped culture, religion, and even ...

In the name of open science, the multinational scientific collaboration COSMOS on Thursday released the data behind the largest map of the universe. Called the COSMOS-Web field, the project, built ...

"Although there have been multiple efforts to understand the nature of dark energy, its composition, and its manifestation in the universe," one expert says, "we know embarrassingly little about it." ...

A telescope tasked with making the largest-ever map of the universe has confirmed a harsh, if unsurprising, truth: Nothing lasts forever — not cold November rain, or even the cosmos itself. Using a ...

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

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

COSMOS-Web was the largest General Observer program selected by the James Webb Space Telescope for Cycle 1. The team, led by RIT Associate Professor Jeyhan Kartaltepe, has publicly released its full ...

The Big Bang: The moment when the universe — everything in existence — began. ... Right? Turns out, it's not quite that simple. Today, when scientists talk about the Big Bang, they mean a period of ...

Scientists hope SPHEREx will provide data lending new insights into the origins of the universe and whether the ingredients for life exist anywhere else in our Milky Way galaxy. The telescope launched ...