This Just In
A distant tailless comet hails from inner solar system, but as its lack of ice shows, it's likely an ancient body, hailing from when the planets were being born.
A great hunt for meteorites in Antarctica is showing us more about the moon, Mars and other cosmic locations.
Comet P/2016 BA14 was initially thought to be a cosmic lightweight, but as it flew past Earth on March 22, NASA pinged it with radar to reveal just what a heavyweight it really is.
NASA is hoping third time's a charm for the launch of its innovative meteor detector that's launching to the space station Tuesday night.
The Discovery Channel Telescope has played a key role in identifying what could be one component of a comet twin -- both expected to fly past Earth later this month.
Is it ice or not? New observations of the dwarf planet have revealed the possible spectroscopic signal of ice turning to vapor as the surface is heated by the sun.
Microscopic dust grains extracted from meteorites that landed on Earth had ancient and explosive origins, scientists have discovered.
Big fireballs occur about once every two to three years. But smaller meteors are much more frequent.
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