All Site Posts

Let There Be Dark Read

Natural History Magazine

Light pollution in all wavelengths of the electromagnetic spectrum, and its damaging effects on astronomical research.

World Trade Center Anniversary Read

The New York Times

Reflections on the anniversary of the attacks on September 11, 2001.

The Periodic Table of the Cosmos Read

Natural History Magazine

From helium, which was discovered on the Sun, to Uranium, which was named after the planet Uranus, the periodic Table of the elements is replete with references to astrophysics.

Hollywood Nights Read

Natural History Magazine

The embarrassing lack of attention to scientific detail in Hollywood movies makes for some laughable reflections.

On Being Baffled Read

Natural History Magazine

When scientists are confused or uncertain, contrary to what the media would have you believe, this is a normal, natural state of mind for the researcher

The Leonard Lopate Show: Survival Kit Listen


If you were stranded on a desert island, what ten things do you want with you?

The Five Points of Lagrange Read

Natural History Magazine

In a system of two objects in mutual orbit, five points in space exist, in orbit with them, where all forces cancel. These spots make great places to erect space colonies and to otherwise collect and assemble space hardware.

Colors of the Cosmos Read

Natural History Magazine

The universe comes in many colors. Not all of them visible to the human eye.

Is the Universe Full of Life? Watch

Closer To Truth

Host Robert L. Kuhn leads a discussion about life in the universe and the consequences of discovering life elsewhere in the universe.

Manhattan Sunset Look

Sunset on Manhattanhenge

Comments on Manhattanhenge, when the sun aligns with New York's street grid.