Depending on how you look at it, the universe might not have an "end," after all. Whether the universe will "end" at all is ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

A spiral galaxy, shaped much like our Milky Way, has been found in an era when astronomers believed such well-formed galaxies ...

Most of the universe is made up of dark matter and dark energy. The majority of everything else is dispersed throughout space ...

Scientists working with the James Webb Space Telescope discovered three unusual astronomical objects in early 2025 that may ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

Learn how Hubble is measuring the expansion rate of the Universe in this new explainer from NASA's Goddard Space Flight ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

NASA released new images of 3I/ATLAS, the third comet ever to be discovered in Earth's cosmic neighborhood originating from ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...