An artist’s concept shows the Wide-field Infrared Survey Explorer (WISE) orbiting Earth. WISE is slated to be reactivated in September in a quest to discover more near-Earth objects (NEOs). Image Credit: NASA.
NASA announced that the Wide-field Infrared Survey Explorer (WISE) spacecraft, which had been deactivated in 2011, is slated to make a comeback [...]
Artist’s conception of exoplanet HD 189733b—a “deep blue dot” reminiscent of Earth from a distance. Image Credit: NASA / ESA / M. Kornmesser
The planets and moons in our Solar System come in a wide variety of colors, and the natural beauty can be breathtaking. Now, the true color of a much more distant [...]
A gap in the protoplanetary disk of dust and gas whirling around TV Hydrae uncovered evidence of an unseen, growing planet, according to astronomers studying Hubble data. Image Credit: NASA, ESA, J. Debes (STScI), H. Jang-Condell (University of Wyoming), A. Weinberger (Carnegie Institution of Washington), A. Roberge (Goddard Space Flight Center), G. Schneider (University [...]
This image shows the HR 8799 planets with starlight optically suppressed and data processing conducted to remove residual starlight. The star is at the center of the blackened circle in the image. The four spots indicated with the letters b through e are the planets. This is a composite image using 30 wavelengths of [...]
Artist’s impression of an asteroid approaching the Earth. Image Credit: Jeff Darling
Be afraid – but not too afraid. It’s true that at some point, if we don’t take steps to prevent it, a big dumb object is going to smash into the Earth so hard that civilization as we know it will be [...]