Astronomers using NASA's Hubble Space Telescope have discovered the brightest object ever seen at a time when the universe was less than one billion years old. The brilliant beacon is a quasar, the core of a galaxy with a black hole ravenously...
9-Jan-2019 5:15 PM EST Add to Favorites
Rocky planets orbiting red dwarf stars may be dry and lifeless, according to astronomers using the Hubble telescope to study an eroding debris disk encircling the nearby star AU Microscopii. Life-nurturing ingredients, including water, may be blown...
8-Jan-2019 1:15 PM EST Add to Favorites
NASA's Hubble Space Telescope has produced this detailed portrait of the Triangulum galaxy (M33), displaying a full spiral face aglow with the light of nearly 25 million individually resolved stars. It is the largest high-resolution mosaic image of...
7-Jan-2019 12:00 PM EST Add to Favorites
NASA’s Hubble Space Telescope photographed comet 46P/Wirtanen on December 13, when the comet was 7.4 million miles (12 million kilometers) from Earth.
20-Dec-2018 12:05 PM EST Add to Favorites
A new method of tracking dark matter using the faint “intracluster” glow within massive galaxy clusters could shed light on the elusive nature of dark matter -- a major mystery of modern astrophysics.
20-Dec-2018 10:00 AM EST Add to Favorites
To date, astronomers have discovered two warm Neptunes that are leaking their atmospheres into space. The most recent finding using Hubble, a planet cataloged as GJ 3470b, is losing its atmosphere at a rate 100 times faster than that of the...
13-Dec-2018 10:00 AM EST Add to Favorites
Astronomers will use the upcoming NASA James Webb Space Telescope to study star birth in the nearby Small Magellanic Cloud galaxy, which contains some of the same conditions that existed in galaxies during the universe’s peak star-formation epoch.
12-Dec-2018 10:00 AM EST Add to Favorites
A new website with interactive sliders lets visitors explore the multiwavelength cosmos and learn the secrets that are revealed by going beyond visible light.
10-Dec-2018 10:00 AM EST Add to Favorites
see all news