stars

Although metal-poor stars irradiate their planets with more UV light than metal-rich ones, the ratio of ozone-forming UV-C to ozone-depleting UV-B radiation allows a...

Light pollution from the very dark sky (left) to the inner-city sky. © NOIRLab/NSF/AURA, P. Marenfeld ...

Artist's rendering of a hot Jupiter orbiting its host star closely. The "twin star" of the double system can be seen in the...

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The blue blobs don't last long, but they are spectacular. Scientists discovered as many as five galaxies with these young blue stars....

The object—which may well be the successor to the famous Crab Nebula—may be only fourteen years old. A neutron star is the remnant of...

Astronomers have been eagerly awaiting it; the new data set from the Gaia space telescope. It was released today. And...

These are a whole new kind of star explosions that scientists have dubbed 'micronovas'. We know that things are often violent in the...