Sharper view of footprints, landing site, rover tracks on moon

New images released today by NASA show tracks from Apollo 17's lunar rover - and the last footprints left on the moon by astronauts - from the year 1972.

Richard Feynman in graphic novel by Jim Ottaviani

Jim Ottaviani spoke with EarthSky about his new book on world-famous Nobel physicist Richard Feynman, released in hardcover in late August 2011.

Hubble movies show supersonic stellar jets in motion

Combined Hubble images show jets in motion from young stars.

Stars are hot, right? Not this star.

Stars are hot. But astronomers have found the coolest star - temperature-wise. This star is cooler than the human body.

International Space Station might be de-manned by November

International Space Station managers are being forced to adjust the space station's flight manifest following the August 24, 2011 crash of a Russian cargo ship in Siberia.

Has Comet Elenin split in two or disintegrated?

Infamous Comet Elenin might be self-destructing. Its core appears elongated, and its brightness has decreased - telltale signs of a cometary break-up.

A powerful supernova explodes relatively near to Earth

A supernova which exploded on August 24 is getting brighter. Scientists believe that in about seven to 10 days, it will be visible from Earth with binoculars.

Creating a Milky Way on a supercomputer

An experiment creating the first simulation of a galaxy like the Milky Way supports the cosmological model of a cold dark matter universe.

Striking image of The Eyes of the cosmic Virgin

ESO's Very Large Telescope has taken a striking image of a beautiful yet peculiar pair of galaxies nicknamed the Eyes.

SETI searches on

The search for signals from intelligent beings beyond Earth will continue when the SETI Institute reboots its array of 42 antennas north of San Francisco.