Gravity pulls us to earth, a lesson you learn viscerally the first time you fall. Isaac Newton described gravity as a ...

Astronomers thought dark energy was a constant. But now, findings from the Dark Energy Spectroscopic Instrument provide even more evidence that it may be fluctuating ...

Physicists have proposed a new model of space-time that may provide the 'first observational evidence supporting string theory,' a new preprint suggests.

First discovered in the 1990s, dark energy has come to feel like a familiar face of the cosmos. Astronomers first imagined ...

Last month, a press release announced groundbreaking findings from the Dark Energy Spectroscopy Instrument (DESI), which is installed on the Mayall Telescope in Arizona. This vast survey, containing ...

"The new model can account for both structure formation and stability, and the key observational properties of the expansion ...

Astronomers have long struggled with a troubling puzzle: a significant portion of normal matter in the universe appeared to ...

Dark Energy 'Doesn't Exist' So Can't Be Pushing 'Lumpy' Universe Apart Dec. 20, 2024 — One of the biggest mysteries in science -- dark energy -- doesn't actually exist, according to researchers ...

Dark oxygen was first discovered in 2015, but what is it? Learn how a deep-sea discovery could rewrite our understanding of ...

Last month, the Dark Energy Spectroscopic Instrument (DESI ... Rubin Observatory will hopefully either confirm these string theory findings or set physicists down a different path toward finding ...

Leading this quest is the Dark Energy Spectroscopic Instrument (DESI), a global collaboration involving over 70 institutions.