Credit: NASA/APL/SwRI

Pluto’s Heart May Throb With A Salty Ocean

Remember Pluto’s big, white, icy heart? A new study, led by Brown University geologist Brandon Johnson, says there’s a good chance that beneath that ice, there’s 62 miles (100 km) of liquid water. And it’s super salty, similar to the Dead Sea. The research focused on Sputnik Planum, a basin 560 miles (900 km) across that makes up…
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Credit: NASA

Venus Is A Backwards Planet

It’s fun to have Venus on the scene again. You can spot it at dusk very low in the northwestern sky starting about 20 minutes after sundown. Look for a solitary yellowish point of light struggling against the fading light of day. One fist to its upper left, you might see glimmering Mercury (it’s only magnitude +1) and…
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Imbrium basin impact moon LPI_Leanne_WoolleyDavid_A_Kring_SFEA

Moon’s Black Eye Recalls A Realm Of ‘Lost Giants’

Looking through a telescope, the moon’s countless craters are the first thing that catches the viewer’s attention. Created by meteoric impacts, the bowl-shaped blasts attest to a much earlier and incredibly violent bombardment of the moon’s surface by millions of meteorites and small asteroids. Meanwhile the large, dark “eyes” of the Man in the Moon…
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Artist concept of planet Earth's last happy day before a strike by an asteroid. Credit: NASA

Does A Rogue Asteroid Threaten Earth Next Month? Nope

The doomsday crowd’s up to to their usual shenanigans again. Maybe some of you have seen predictions on websites about an asteroid expected to strike Earth between September 15 and 28. According to the rumor, the impact will occur near Puerto Rico and wreak catastrophic destruction not only to the island but also the Atlantic and Gulf…
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A Moon Rock Lands In Duluth

A priceless moon rock lies locked in a glowing pyramid of lucite a few blocks from Lake Superior in Duluth today. NASA’s “Journey to Tomorrow” traveling exhibit pulled into town a few days ago, and among the displays is a palm-sized lunar rock collected by Apollo 17 astronaut Gene Cernan sometime on December 13,1972. The 152 gram (1/3 lb.) concrete-gray…
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