Galaxies are not islands in the cosmos. While globally the universe expands—driven by the mysterious "dark energy"—locally, ...

By looking at light from distant exploding stars called supernovas, in 1998 astronomers discovered the universe isn't just ...

"Dark energy is a misidentification of variations in the kinetic energy of expansion, which is not uniform in a Universe as ...

Scientists are challenging the existence of dark energy with a new model called "timescape," which suggests the Universe's ...

Dark matter is one of the most debated and intriguing missing puzzle pieces of modern physics – a mysterious form of energy ...

This graphic shows the emergence of a cosmic web in a cosmological simulation using general relativity. From left, 300,000 years after the Big Bang to right, a Universe similar to ours today.

The telescope will catalogue billions of new objects and produce a new map of the entire night sky every three days with the ...

According to a tenet scientists call the cosmological principle, our place in space is in no way exceptional. But recent ...

The James Webb Space Telescope has caught a napping monster black hole in the early universe. The cosmic giant is slumbering after a massive meal like a reveler on Christmas Day.