The "afterglow" of the universe is an important piece of evidence for the Big Bang. This background radiation also provides ...

Scientists are using cosmic distortions in light to test a bold idea: that the Universe might not be as symmetrical as we’ve ...

The word itself comes from galaktikós kyklos, or “milky circle,” the ancient Greek term for the Milky Way, our home galaxy.

Researchers suggest the universe's background radiation has been overestimated, potentially challenging the standard model of ...

The most recent measurement of a nearby galaxy cluster is deepening a disagreement about how fast the universe is expanding — ...

Webb discovered an early cosmic boom of "red monster" galaxies, surprising even seasoned researchers who thought they knew ...

If dark energy is weakening, as suggested by recent results, then the cosmos is far stranger than most physicists had ...

Exoplanet super-Earths are more prevalent in the universe than earlier research predicated according to international ...

For decades, astronomers were certain that half of the ordinary matter in the universe — protons and neutrons, the building ...

The universe began with a bang—an explosion so intense, it forged the fabric of space and time itself. This pivotal moment, ...

Over billions of years, the universe has transformed from a simpler state into an intricate cosmic web, but new research ...

And it had traveled from somewhere far beyond our galaxy.