You’ve looked up at the night sky. Maybe you’ve wondered how much you don’t know. Turns out, the scale of our ignorance about ...

Nearly everything in the universe is made of mysterious dark matter and dark energy, yet we can’t see either of them directly ...

The fate of the cosmos may be a bit different than previously expected. For years, scientists have talked about how the universe is always expanding — constantly moving outward, never stopping.

An international team of scientists has unveiled the largest and most detailed map of the universe ever created using the James Webb Space Telescope, revealing nearly 800,000 galaxies stretching back ...

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

Scientists, peering 7 billion years back into the past, have discovered something that may help us better understand the ...

HOUSTON—NASA’s SPHEREx observatory completed the first of four planned all-sky surveys in 102 infrared wavelengths as 2025 neared its end to help answer some key astrophysical questions about the ...