Korean scientists studying Type Ia supernovae have found strong evidence that the universe's expansion is not accelerating, ...

As if dark energy weren't already mysterious and baffling enough, new research suggests that this unknown force may not be ...

A remarkable new study challenges the findings of Nobel Prize winning research into how our universe has changed over time.

For several decades, evidence has suggested that the expansion of the universe is accelerating. Crucial to those estimates were the use of standard candles, celestial events of the same luminosity ...

Three young stars have been kicked out of their cosmic nursery, perhaps for engaging in a gravitational brawl, according to Hubble Space Telescope scientists, who released images of the trio on ...

Portal Space Systems says that a rapid-maneuverability space vehicle called Starburst will leverage technologies it's already ...

Alarm is growing among federal workers at NASA’s iconic Goddard Space Flight Center’s main campus in Greenbelt, Maryland — ...

New model shows extremely massive stars, over 1,000 solar masses, shaped the birth and early evolution of the universe's ...

For the first time, an international research team led by the Shanghai Astronomical Observatory (SHAO) of the Chinese Academy ...

the most enormous star-forming cloud in the Milky Way — Space photo of the week Astronomy Hubble went supernova hunting — and found something unexpected: Space photo of the week Astronomy James Webb ...

Astronomers observe Type II supernova SN 2024bch behaving differently, with energy from Bowen fluorescence rather than ejecta interaction, challenging models of stellar death and high-energy neutrino ...