Dark energy: map gives clue about what it is – but deepens dispute about the cosmic expansion rate

Dark energy is probably a sea of constant energy in empty space itself, according to new research.

Julian Bautista, Research Fellow, University of Portsmouth • conversation
July 23, 2020 • ~6 min

How could an explosive Big Bang be the birth of our universe?

The term 'Big Bang' might make you think of a massive explosion. Put the thought out of your head. Rather than an explosion, it was the start of everything in the universe.

Michael Lam, Assistant Professor of Physics and Astronomy, Rochester Institute of Technology • conversation
April 30, 2020 • ~6 min

How the Hubble Space Telescope opened our eyes to the first galaxies of the universe

Thirty years ago the Hubble Space Telescope began snapping photos of distant stars, providing a time machine that has taken astronomers back to when the universe was less than a billion years old.

Rodger I. Thompson, Professor of Astronomy, University of Arizona • conversation
April 24, 2020 • ~9 min

/

1