News tagged with galaxies

Star in closest orbit ever seen around black hole

Astronomers have found evidence of a star that whips around a likely black hole twice an hour. This could be the tightest orbital dance ever seen by a black hole and a companion star in our own Milky Way galaxy.

dateMar 13, 2017 in Astronomy
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Hubble dates black hole's last big meal

For the supermassive black hole at the center of our Milky Way galaxy, it's been a long time between dinners. NASA's Hubble Space Telescope has found that the black hole ate its last big meal about 6 million years ago, when ...

dateMar 09, 2017 in Astronomy
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Could fast radio bursts be powering alien probes?

The search for extraterrestrial intelligence has looked for many different signs of alien life, from radio broadcasts to laser flashes, without success. However, newly published research suggests that mysterious phenomena ...

dateMar 09, 2017 in Astronomy
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Ancient stardust sheds light on the first stars

A huge mass of glowing stardust in a galaxy seen shortly after the Universe's formation has been detected by a UCL-led team of astronomers, providing new insights into the birth and explosive deaths of the very first stars.

dateMar 08, 2017 in Astronomy
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