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Jun 25, 2015 06:50 AM ET
Magnesium and iron measurements suggest the hourly meteor rate overhead on Mars must have been tens of thousands of shooting stars per hour for hours.
Jun 22, 2015 07:00 AM ET
Four out of the five moons of Pluto have been discovered in the last ten years -- two of them after the New Horizon's spacecraft began its 9-and-half-year journey to the dwarf planet. Could there be more uncharted moons and hidden dangers lurking?
Jun 9, 2015 07:00 AM ET
For the first time a titanosaur track has been matched to an actual fossil hind foot of one of the world's last and largest dinosaurs.
May 29, 2015 11:00 AM ET
There are some under-appreciated, San Andreas-like faults off Los Angeles that could unleash large quakes and tsunamis. But it's nothing like Hollywood's version.
May 22, 2015 07:46 AM ET
Climate change has brought us megafires, but the growing El Niño condition can help us predict where they are most likely to ignite this year.
May 12, 2015 05:30 PM ET
After Tuesday's magnitude 7.3 earthquake between Kathmandu and Mt. Everest, there are now two aftershock clocks ticking away in Nepal.
May 5, 2015 09:00 AM ET
They look like the perfect couple formed by a simultaneous two-fer asteroid strike, but Quebec's Clearwater Lakes are nothing of the sort.
Apr 27, 2015 07:00 AM ET
The quake-struck mountains north of Kathmandu are heavily populated, with villages on very steep, landslide-prone slopes.
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