The universe has always intrigued scientists with its vastness and mystery. Decades ago, in the 1990s, physicists began ...

Any chocolate chips or blueberries in the muffin batter become farther away from each other as the muffin batter expands. The expansion of the universe is, in some ways, similar. But this analogy gets ...

What is the universe expanding into if it’s already infinite? The universe expands by itself, not into any external space, with galaxies continuously moving away from the Milky Way. Initiated by the ...

So can't be pushing 'lumpy' Universe apart.

Any chocolate chips or blueberries in the muffin batter become farther away from each other as the muffin batter expands. The expansion of the universe is, in some ways, similar. But this analogy gets ...

Dark energy — an unknown energy source that is causing our Universe’s expansion to accelerate – doesn’t actually exist, according to new research. Dark energy is commonly thought to be a weak ...

The universe's expansion rate, a figure called the Hubble constant, is measured in kilometers per second per megaparsec, a distance equal to 3.26 million light-years.

New observations from the James Webb Space Telescope suggest that a new feature in the universe, rather than errors in measurements, could explain the accelerated expansion of the universe. This ...

NASA's Goddard Space Flight Center Astronomers have long understood that the universe is expanding—in other words, the space in between cosmic objects that aren’t bound by gravity is getting ...

For more than a decade, scientists have been grappling with the Hubble Tension, the discrepancy between measurements of the universe’s expansion rate, known as the Hubble constant. The latest ...