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Articles on Universe

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A quasar is a galactic object with a supermassive black hole in the center. International Gemini Observatory/NOIRLab/NSF/AURA/P. Marenfeld

Powerful black holes might grow up in bustling galactic neighborhoods

An astronomer and ‘black hole historian’ explains how the parts of the universe black holes grow in might influence how quickly they become bright, supermassive objects.
Galaxy NGC 6822, neighbouring the Milky Way galaxy, being studied to learn more about stars and dust in the early universe. (NASA/James Webb Space Telescope)

How old is the universe exactly? A new theory suggests that it’s been around for twice as long as believed

A new hypothesis suggests that the universe may be twice as old as we had believed. Observations from the James Webb Space Telescope provide new information on the rate of the universe’s expansion.
ESA/Webb, NASA & CSA, A. Martel

Why is the sky dark at night? The 200-year history of a question that transformed our understanding of the Universe

The darkness of the night sky seems so obvious as to need no explanation – yet it has intrigued and baffled scientists for centuries.

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