Quintessence

By Davide Castelvecchi

Hints of twisted light offer clues to dark energy’s nature

Gravity, Gizmos, and a Grand Theory of Interstellar Travel

By Daniel Oberhaus

Jim Woodward’s peers have long dismissed his ideas about gravity and inertia. Now he believes he has the data that will prove him right—and could make interstellar travel possible for humans.

Breaking Time-Reversal Symmetry

By Michelle Starr

Just three orbiting black holes can break time-reversal symmetry

The Big Bang Never Happened

By Jonathan Tennenbaum

An interview with renowned physicist and Big Bang theory critic Eric Lerner

The Universe before Ours

By Adam Smith

Another universe existed before ours – and energy from it is coming out of black holes, says Nobel prize winner

The End of Everything: Dr. Katie Mack

By James Gleick

Book Review

Have We Solved the Black Hole Information Paradox?

By Yasunori Nomura

We may soon have a new understanding of nature

What Happened Before the Big Bang?

By Paul Sutter

The Big Bounce theory was once thought impossible. But two physicists have just resurrected it.

23:00 – FREE

Real-ativity - SAND19 US

With Jude Currivan

Our Universe is fundamentally inter-connected

Does Time Really Flow?

By Natalie Wolchover

New Clues Come From a Century-Old Approach to Math.

Axions Would Solve a Major Problem in Physics

By Natalie Wolchover

In a new paper, physicists argue that axions could explain why the universe isn’t empty

Emergent Time

By Conor Purcell

In some versions of quantum gravity, time itself condenses into existence.

Strange Dark Matter Findings

By Carly Minsky

Scientists believe that mysterious dark matter is key to forming galaxies in the cosmos. Now, a recent series of bizarre findings threatens to undermine everything we think we know.

Dark Energy: Why Tinker with Gravity?

By Ethan Siegel

Of the 2 trillion galaxies contained within our observable Universe, 94% are already forever beyond our reach

Astronomers Spot 'Missing Link' Black Hole

By Reuters

Scientists have detected a mid-size black hole - considered the "missing link" in the understanding of these celestial brutes

How Far is the Edge of the Universe?

By Ethan Siegel

If you were to go as far out into space as you can imagine, what would you encounter?

Marcelo Gleiser: The Mystery of Knowing

By Shawn Radcliffe

One of the great unsolved problems of modern physics is coming up with a theory of everything

Dark Matter and Antimatter

By Carly Minsky

A Link Between Dark Matter and Antimatter Could Be Why the Universe Exists

Is Information the Fifth Form of Matter?

By Philip Perry

There is no dark matter. Instead, information has mass, physicist says

7:00 – FREE

Dark Gravity

With Neil deGrasse Tyson

Dark Matter, Dark Gravity, Ghost Particles, & the Essence of All Objects

Could the Universe be Curved, not Flat?

By Eleonora Di Valentino

In a curved universe, no matter which direction you travel in, you will end up at the starting point

5:00 – FREE

White holes

The other side of black holes. Do they exist?

7:00 – FREE

A Solar Model

With Kristen Bobst

Every solar system model you've seen is wrong.

No Dark Energy?

By Yonsei University

New evidence shows that the key assumption made in the discovery of dark energy is in error