Vadim Sadovski/Shutterstock |
A geological mystery is unfolding far beneath our feet, and it may shed light on the life-sustaining magnetic field that extends far above our heads. |
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SPONSORED BY: TRAVEL QUEST |
Our journey crisscrosses the Big Island of Hawaii, exploring the basalt-lava rock pools of Hilo, pristine beaches, waterfalls, lush rainforests, and Volcanoes National Park. Ascend to great heights with a visit to Mauna Kea Observatories, where our small group of intrepid sky watchers will discover what secrets the Hawaiian skies reveal! |
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When heat in doesn’t equal heat out, Earth sees changes. |
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Sunscreen and calcium supplements aren't enough to protect Mars-bound space travelers from radiation and a lack of gravity in outer space. |
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NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and B. Whitmore (STScI) |
Discover some of the most peculiar galaxies in the cosmos in this story from the Astronomy archives. |
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NASA, ESA, and J. Olmsted (STScI) |
Could planets that orbit other stars be non-spherical shapes, such as ovals or pears, depending on composition? |
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Michel Arzoumanian (Flickr) |
Your daily digest of celestial events coming soon to a sky near you. |
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Gary Opitz from Rochester, New York |
The Heart Nebula, also known as IC 1805, is a star-forming region in the constellation Cassiopeia the Queen. It lies some 6,000 light-years away. Exposures for this image were taken through the same kinds of filters the Hubble Space Telescope uses. |
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