A joint Fermilab/SLAC publication
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11/03/16

Is there a dark energy particle?

A theoretical particle that adapts to its surroundings could explain the accelerating expansion of our universe.

09/01/16

Universe steps on the gas

A puzzling mismatch is forcing astronomers to re-think how well they understand the expansion of the universe.

08/10/16

#AskSymmetry Twitter chat with Risa Wechsler

See cosmologist Risa Wechsler's answers to readers' questions about dark matter and dark energy.

08/09/16

The contents of the universe

How do scientists know what percentages of the universe are made up of dark matter and dark energy?

01/14/16

Exploring the dark universe with supercomputers

Next-generation telescopic surveys will work hand-in-hand with supercomputers to study the nature of dark energy.

10/14/15

Is the universe getting bigger or am I getting smaller?

Physicist Jim Pivarski explains ways to think about the expansion of space.

08/25/15

All about supernovae

Exploding stars have an immense capacity to destroy—and create.

08/20/15

Q&A: Marcelle Soares-Santos

Scientist Marcelle Soares-Santos talks about Brazil, neutron stars and a love of discovery.