According to the Big Bang theory, normal matter composed of protons, neutrons, and electrons should account for roughly 5% of ...

The galaxy cluster appears hotter and more mature than it should for its young age, challenging what we think we know about ...

Researchers at the University of British Columbia and Dalhousie University have found a young galaxy cluster that appears far ...

Astronomers are gathering in Phoenix this week for the 247th meeting of the American Astronomical Society (AAS 247), where ...

Astronomers have completed the most comprehensive census of active galactic nuclei (AGN) to date, providing the clearest ...

For more than three months, a pair of observatories, positioned on either side of the Sun, managed to track an active region ...

From ancient stargazers to modern-day space scientists, women have shaped our understanding of the cosmos. This crossword ...

NASA's SPHEREx telescope unveiled its first full-sky map of the universe, combining more than 100 infrared observations into ...

Astronomers from Cardiff University, UK, have employed the Combined Array for Research in Millimeter-wave Astronomy (CARMA) ...

Researchers at the University of North Carolina at Chapel Hill have contributed to new insights into the most long-lived cosmic explosion ever recorded. The event was a gamma-ray burst that remained ...

Betelgeuse’s long-standing mystery has been cracked: a hidden companion star is literally reshaping the giant from the inside out.

One of the biggest recent surprises in astronomy is the discovery that most stars like the Sun harbor a planet between the ...