Gamma Ray Explosion GRB 070125 Is A Cosmic Mystery

Gamma Ray Explosion GRB 070125 Is A Cosmic Mystery

A cosmic explosion that seems to have occurred thousands of light-years from the nearest galaxy-sized collection of stars, gas, and dust has puzzled astronomers. This "shot in the dark" is surprising…
Is Gliese 581 Habitable?

Is Gliese 581 Habitable?

More than 10 years after the discovery of the first extrasolar planet, astronomers have now discovered more than 250 of these planets. Until a few years ago, most of the newly discovered exoplanets…
HD 189733b: A 'Murky' Extrasolar Planet

HD 189733b: A 'Murky' Extrasolar Planet

A team of astronomers have used the NASA/ESA Hubble Space Telescope to detect, for the first time, strong evidence of hazes in the atmosphere of a planet orbiting a distant star. The discovery comes…
Our Solar System Is Dented

Our Solar System Is Dented

NASA's Voyager 2 spacecraft has entered a vast region at the edge of our solar system where the solar wind runs up against the thin gas between the stars, called the heliosheath, and what it found is…
Searching For Galactic WHIMs

Searching For Galactic WHIMs

Much of the gaseous mass of the universe is bound up in a tangled web of cosmic filaments that stretch for hundreds of millions of light-years, according to a new supercomputer study by a team led by…