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Physics

Radio Programs

To the Future! Traveling into the future February 18, 2016

Back in Time You just can’t go back February 17, 2016

R Sculptoris Stirring up a stellar bubble December 11, 2015

Beta Monocerotis A brilliant set of triplets February 9, 2015

Catching Neutrinos Tiny particles that change flavors January 27, 2015

Cold Dark Matter Getting cold to catch dark matter January 26, 2015

Soudan Laboratory Digging deep for dark matter January 25, 2015

Featured Images

Simulation of the early universe

Tangled Web May 10, 2014

Hubble image of a galaxy cluster and the deduced location of its dark matter

Dark Universe August 5, 2013

The Standard Model

Building Blocks June 27, 2013

Pyramid of the Old Kingdom pharaoh Khafre and the Sphinx

Inside Job April 30, 2013

Artist's concept of the Milky Way galaxy and its dark matter halo

Illuminating the Darkness February 9, 2013

Combined optical and X-ray view of two possible black holes in the galaxy IC 342

On the Job January 8, 2013

Victor Hess prepares to ascend in a balloon to study cosmic rays, 1912

Radiation Hunter April 7, 2012

Hubble Space Telescope view of Cat's Eye Nebula, a planetary nebula

Blowing Bubbles March 13, 2012

The Moon passes by Mars and the star pattern of Leo, March 2012

Doubly Brilliant March 6, 2012

Newborn stars in the Orion Nebula

Bright Babies March 1, 2012

Orion, the hunter, including his faint shield

Shielding the Hunter February 17, 2012

The Carina Nebula, a massive stellar nursery

Star Factory February 13, 2012

New Heavyweight Champion February 6, 2012

Sirius B, the white-dwarf companion to Sirius, compared to the size of Earth

Stellar Afterlife February 1, 2012

Infrared view of the spiral galaxy IC 342

Tangled Galaxy January 22, 2012

Earth's atmosphere distorts the Moon as seen from the International Space Statio

Squashed Moon January 17, 2012

Artist's concept of a dark storm on the brown dwarf 2MASS 2139

Stormy Skies January 11, 2012

Artist's concept of the pulsar and planets in the system PSR B1257+12

Second-Chance Planets January 8, 2012

Saturn's moons Titan and Dione above Saturn, with Saturn's rings

Saturnian Traffic Jam December 26, 2011

Horsehead Nebula photographed through a McDonald Observatory telescope

3D Horsehead December 20, 2011

Galactic Swirl December 14, 2011

Plumes of gas spew into space from the roiling surface of Betelgeuse, the bright

Stellar Timebomb December 1, 2011

Artist's concept of Curiosity rover on Mars

Ready to Roll November 23, 2011

Optical and radio image of the Carina Nebula, a vast stellar nursery

Birthplace of the Stars November 17, 2011

The Saturn Nebula, NGC 7009, as seen by Hubble Space Telescope

Saturn Simulacrum November 13, 2011

The Russian Phobos-Grunt Mars mission launches on November 8, 2011

Phobos Flop? November 11, 2011

The glow of the aurora from the International Space Station

Heavenly Lightshow November 6, 2011

Galileo view of Gaspra, the first asteroid visited by a spacecraft

First Encounter October 29, 2011

An artist's concept of the darkest planet yet discovered

Dark World October 27, 2011

Cassini view of Saturn's moon Enceladus in front of the planet's rings

Saturnian Encounter October 25, 2011

Radio image of the Antenna galaxies

Boundless Starbirth October 5, 2011

Stars and gas swirl around the black hole at the center of the Milky Way

Swirling Center September 27, 2011

IC 2944, a stellar nursery in the constellation Centaurus

Seeing Red September 22, 2011

Artist's concept of global ocean on Jupiter's moon Europa

Water World September 16, 2011

A thick torus of dust encircles a quasar

Water Works September 13, 2011

2011 image of the Apollo 12 landing site, from Lunar Reconnaissance Orbiter

Still Standing September 9, 2011

Map of the Moon's gravitational field

Lunar Lumpiness September 6, 2011

The star cluster M7

Aging Family August 28, 2011

NGC 4438 and NGC 4435, galaxies in Virgo

Beautiful Eyes August 25, 2011

Space shuttle Atlantis approaches the International Space Station, July 2011

Final Approach July 13, 2011

Atlantis launches on the final space shuttle mission, July 8, 2011

Last Call July 8, 2011

NGC 3758, a system of two merging galaxies

Double Trouble June 11, 2011

X-ray view of the Carina Nebula, a stellar nursery 7,500 light-years from Earth

Star Factory May 26, 2011

M8, the Lagoon Nebula, is a vast stellar nurseary

Stellar Canvas May 6, 2011