Searches for life on Mars have been hindered by one simple fact: no such creatures have ever been discovered despite our best efforts. This does not indicate lack of effort on our part. One approach involves studying Deinococcus radiodurans bacteria, which have proven resilient against large doses of radiation exposure. Scientists think some microbes on […]
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Sea horses are unique among marine fish species in that males can become pregnant during mating. A female deposits her eggs into his brood pouch and is fertilized. He uses his frontal pouch to regulate conditions within, providing nutrients to embryos forming within it for up to six weeks before using muscular contractions to expulse
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Most spacecraft traveling to Jupiter travel on long looping routes through the solar system, passing close by multiple planets (and sometimes moons) to gain momentum and build speed – this process is known as gravity assist. NASA’s Galileo probe used this approach to explore Jupiter, uncover its magnetic field and radiation belt structures, hint at
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Roman Empire was an immensely powerful and formidable entity. Their highly trained army became well known across three continents. Ancient Roman society was quite complex. Citizens, non-citizens and slaves all played roles within Roman society; while citizens occupying top ranks were highly esteemed individuals while non-citizens and slaves enjoyed less rights than their fellow Romans.
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Six Apollo lunar landing missions explored various geologic terrains on the near side of the Moon. This collection of images shows each site explored along with footprints left by astronauts between landing sites. Apollo 14 conducted research at Fra Mauro Crater for evidence of impact melt breccias and rock ages from Imbrium Basin. This mission
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Plants follow similar stages to humans: beginning as seeds and maturing into adults. Each seed encases a miniature plant inside. To germinate successfully, this miniaturised ecosystem requires water, warmth and oxygen for proper growth; once germinated it develops into a seedling before eventually becoming an adult plant. Seeds At the core of any plant’s lifecycle
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Apollo and Peter Davis, trained search-and-rescue dogs, arrived at the World Trade Center 15 minutes after South Tower collapsed and quickly began searching the rubble piles for survivors – earning themselves the Dickin Medal for their efforts. James Symington drove Trakr and Genelle Guzman across 15 hours from Nova Scotia, Canada, to Manhattan in aid
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Astronomers are eagerly awaiting tonight, when Jupiter makes its closest approach to Earth in 59 years – an event known as planetary opposition. This asteroid may be smaller than many that have gained headlines, yet it comes much closer to Earth than those which remain thousands of miles away. Earth Earth is the sole planet
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Cheetahs (Acinonyx jubatus) are among the most enthralling big cats of Africa. These elegant predators feature yellow or tan short coarse fur with solid black spots, small heads with high-set eyes, teardrop-shaped facial streaks and tear-like patches along their cheeks. Hunters in open savannah or grassland habitat hunt by day, using their incredible speed to
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