Astronomers Find First Evidence of Possible Volcanic Activity On a Super-Earth Exoplanet

Artist’s conception of super-Earth exoplanet 55 Cancri e, before and after volcanic activity on its day side. The surface may be partially molten. Image Credit: NASA/JPL-Caltech/R. Hurt

Discovering new exoplanets has become rather routine in the last few years, but determining just what conditions exist on any of them is naturally more difficult, […]

NASA's X-Ray Space Telescope Celebrates 15 Years

Composite Chandra image of four supernovae: the Crab Nebula, Tycho, G292.0+1.8, and 3C58. Image Credit: NASA/CXC/SAO

The Chandra X-Ray Observatory, NASA’s space telescope which observes the universe using X-rays, has now completed its 15th year of operations, and astronomers are celebrating the anniversary with a series of special images from the orbiting observatory. […]

NASA's Hubble Helps Solve Mystery of Ultra-Compact, Burned-Out Galaxies

An odyssey of exploration began on 25 April 1990, when Steve Hawley gingerly pulled Discovery’s robot arm away from the Hubble Space Telescope. Photo Credit: NASA

Astronomers using NASA’s Hubble Space Telescope and Europe’s Herschel Space Observatory have pieced together the evolutionary sequence of compact elliptical galaxies that erupted and burned out early […]

Hubble Space Telescope Discovers New Moon Orbiting Neptune

This composite image from the Hubble Space Telescope shows the location of Neptune’s newest known moon, S/2004 N 1, which was discovered by Mark Showalter of the SETI Institute. The black and white portion and the color inset were both taken in 2009. Image Credit: NASA, ESA, and M. Showalter (SETI Institute).

NASA’s […]