Space
- Space
Monster Black Holes
Scientists have discovered black holes that are far more massive than they had thought possible.
By Emily Sohn -
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- Planets
Planet Survivor
Scientists have discovered a planet outside our solar system that survived the rapid growth of its parent star.
By Emily Sohn - Space
What Comets Are Made Of
Astronomers are learning a lot from watching a comet break into pieces.
By Emily Sohn -
- Space
A great ball of fire
Astronomers are marveling at what may be the hugest, most spectacular star explosion ever recorded.
By Emily Sohn - Planets
Two Suns in the Sky
Some planets may orbit double stars, which means that the planets might have double sunrises and double sunsets.
By Emily Sohn -
- Planets
An Earthlike Planet
Astronomers have discovered an Earthlike planet that could have liquid water, and perhaps life, on its surface.
By J. L. Pegg -
- Planets
Martian Caves
New images taken by a spacecraft orbiting Mars show what appear to be entrances to caves.
By Emily Sohn