General relativity Quote by Lee Smolin

“Dark matter is a mysterious substance that has gravity but does not interact with light in any known way.”

— Neil deGrasse Tyson

Dark matter is particularly intriguing because it's some kind of particle - that's for sure.

— Priyamvada Natarajan

I am deeply impressed with the way dark matter has explained cosmological observations.

— Jim Peebles

The best theory comes from string theory, which states that dark matter is nothing but a higher vibration of the string. We are, in…

— Michio Kaku

Dark matter is interesting. Basically, the universe is heavier than it should be. There's whole swathes of stuff we can't account for.

— Talulah Riley

Dark matter is interesting. Basically, the universe is heavier than it should be. Theres whole swathes of stuff we cant account for.

— Talulah Riley

Dark energy is perhaps the biggest mystery in physics.

— Steve Allen

I hope we find evidence of dark matter in the lab and in outer space. This would go a long way to proving the…

— Michio Kaku

One of the most exciting things about dark energy is that it seems to live at the very nexus of two of our most…

— Adam Riess

The existence of dark matter and dark energy are inferred from observations! They are not theoretical constructs. Though invisible, both reveal their presence through…

— Priyamvada Natarajan

“dark matter is our frenemy.”

— Neil deGrasse Tyson

Don't assume that what we currently think is out there is the full story. Go after the dark matter, in whatever field you choose…

— Nathan Wolfe