Extras

Video thumbnail: NOVA How Scientists Discovered Dark Matter

NOVA

How Scientists Discovered Dark Matter

What kind of clues led to the discovery of Dark Matter and its place in the universe?

How Scientists Discovered Dark Matter

Video thumbnail: NOVA How the Universe Will End

NOVA

How the Universe Will End

Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?

How the Universe Will End

Video thumbnail: NOVA What's the Universe Made Of? Preview

NOVA

What's the Universe Made Of? Preview

Peer into the universe’s deep unknowns to explore the mysteries of dark matter and energy.

What's the Universe Made Of? Preview

Video thumbnail: NOVA Physics Is a Never-Ending Puzzle

NOVA

Physics Is a Never-Ending Puzzle

Physics rarely yields finite answers, but that doesn’t deter scientists.

Physics Is a Never-Ending Puzzle

Video thumbnail: NOVA Profile: Priya Natarajan

NOVA

Profile: Priya Natarajan

Astrophysicist Priya Natarajan has loved atlases and maps since she was a little girl.

Profile: Priya Natarajan