Our universe appears flat—but this observation still leaves plenty of options for its true shape. In fact, our cosmos could ...

The instrument is called DESI, the Dark Energy Spectroscopic Instrument, and its job is dull in the way that all great experiments are dull. Measure the redshifts. Map the positions. Build the biggest ...

Primordial magnetic fields, billions of times weaker than a fridge magnet, may have left lasting imprints on the Universe. Researchers ran over 250,000 simulations to show how these fields shaped the ...

Explore 25 strange facts science can't explain, from cosmic signals to dark matter. Dive into the universe's most baffling ...

After a multi-decade-year mission to understand the nature of the universe, a telescope perched in the mountain plateaus of northern Chile said goodbye in 2022. Now, its final data release is ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s oldest light—have developed a new way to reduce uncertainty in how it’s ...

With 263 antennas spread across the U.S. and Mexico, the Next Generation Very Large Array, would join a new wave of radio astronomy.

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Newly discovered Quipu, a superstructure in which galaxies group together in clusters and clusters of clusters, is the largest known structure in the universe in terms of length, scientists claim.

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If you’re having trouble sleeping at night, have you tried to induce total existential dread by contemplating the end of the entire Universe? If not, here’s a rundown of five ideas exploring how “all ...