Space
- Space
The hungry blob at the edge of the universe
Scientists have observed one of the oldest objects in the sky, possibly a galaxy in a growth spurt.
- Space
The Earth-bound asteroid scientists saw coming
History-making asteroid tracked from space to its fiery demise in an African desert.
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- Space
Watching deep-space fireworks
An orbiting telescope records the universe’s most powerful explosions.
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- Space
Meteorites may have sparked life on Earth
A collision of extraterrestrial objects and Earth’s ancient oceans could have produced raw materials for life.
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- Planets
A new look at Saturn’s rings
New information from space missions suggests Saturn's rings may be older and have more mass than scientists thought.
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- Planets
The trouble with Pluto
The traditional view of the solar system is out of date. Depending on who you talk to today, the answer to how many planets there are could be eight, 12, or even 208 and counting.
