For years, cosmologists have argued over a simple question with an awkward answer: How fast is the universe expanding right ...

The observations offer a rare glimpse into our solar system's early history.

The moon will rise with its right half lit tonight, creating dramatic shadows on the lunar surface.

Mechanical clocks first appeared in northern Italy in the 13th century, following earlier methods of timekeeping like ...

Using the James Webb Space Telescope, astronomers have investigated 70 dusty galaxies at the very edge of the universe that ...

Fresh observations from the James Webb Space Telescope show how vivid auroras surge through Uranus’s tilted magnetic field ...

Scientists in China have developed an AI model that analyzes stellar data from different telescopes, helping astronomers combine survey data.

Public opposition to the military’s plan to build up to seven telescopes in a state conservation district atop Haleakalā has ...

NASA has detected a precursor or progenitor to a supernova for the first time – and it's all thanks to old photos. Researchers have now been able to study some of a supernova's progression by ...

"The polarized light of the cosmic microwave background is sensitive to new physics that violates parity symmetry," the team ...

A team of 48 astronomers from 14 countries, led by the University of Massachusetts Amherst, has discovered a population of dusty, star-forming galaxies at the far edges of the universe that formed ...

Scientists discovered a distant jellyfish galaxy with star-forming "tails" stretching back 8.5 billion years.