What we saw in the DESI experiments, and now strengthened by our South Pole Telescope observations, is that dark energy is ...

Ever since, it's been thought of as a constant, immutable presence. Now, the latest observations from the Dark Energy Spectroscopic Instrument (DESI) indicate that dark energy has actually changed ...

Machine learning can help tighten constraints on the overarchingFor almost as long as humans have existed, we have been trying to make sense of the cosmos. What started as philosophical musing has, ...

We know black hole mergers occur because we can detect the resulting gravitational waves. But when trying to piece together ...

The earliest light in the universe has been traveling across space since just after the Big Bang. Known as the cosmic ...

New evidence suggests the universe might not behave as expected, raising questions about the costs of being wrong.

The Giant Magellan Telescope team explains how the observatory will help solve the mysteries of the cosmos including the search for life.