The shape of the universe is not something we often think about. My colleagues and I have published a new study that suggests ...

What if there was another version of you? Somewhere out there in the Universe. A you that could be anything. Imagine a ...

But there are several important anomalies, including a widely debated one called the Hubble tension. It is named after Edwin ...

The simulation hypothesis—the idea that our universe might be an artificial construct running on some advanced alien computer ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Mysterious ‘little red dots’ seen by the James Webb Space Telescope can be explained by a new kind of black hole enshrouded ...

Nature speaks to theoretical physicists to explore the real theories that inspired the hit series. Warning: contains spoilers ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...

Scientists have discovered Alaknanda, a so-called "grand design" spiral galaxy, just 1.5 billion years after the Big Bang. Credit: NASA / CSA / ESA / Rashi Jain For decades, astronomers believed ...

Chris Impey has received funding from NASA, NSF, Howard Hughes Medical Institute, and the Templeton Foundation. If you look across space with a telescope, you’ll see countless galaxies, most of which ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Chris Impey, University of Arizona (THE CONVERSATION) If you look across space with a ...