Space
- Space
Galactic mashup
Save the date: The Milky Way will merge with its nearest large neighbor in about 4 billion years.
- Space
Black hole’s big gulp
Astronomers say a bright flare in space shows where a black hole tore apart a star.
- Physics
Dark matter search turns up empty
Star study suggests our cosmic neighborhood may be lacking invisible matter.
- Space
Martian devil
Giant whirlwind photographed as it snakes its way across a plain in northern Mars
- Space
‘Ruler’ to measure space
Study of energy waves formed during the Big Bang supports Einstein’s prediction that a strange, invisible force is pushing the universe apart.
- Planets
Worlds beyond the solar system
Planet hunters have found hundreds of exoplanets, but none just like Earth.
- Space
Surprise ions
A high-flying satellite reveals a crowd of charged particles in the magnetosphere.
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- Space
Mapping the invisible
Astronomers don’t know what dark matter is, but they have mapped where it’s hiding.
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- Planets
Europa’s watery underworld
Jupiter’s smooth, icy moon may hide giant lakes beneath the surface.
- Planets
A shock to the solar system
Scientists suspect a nearby exploding star ignited the formation of the sun and planets.
