Understanding the effects of microgravity on the human body is essential in enabling astronauts to travel through the harsh environment of space for months, or even years. Significant changes to the … [+3569 chars]
The second law of thermodynamics the notion that entropy, a measure of disorder, arguably falls among the principles that have sacrosanct. In the words of the British astrophysicist Arthur Eddington … [+2178 chars]
The moons Orientale Basin as seen by NASAs Lunar Reconnaissance Orbiter. Credit: NASA GSFC Billions of years ago, a series of volcanic eruptions raged on the moon, blanketing hundreds of thousands o… [+4794 chars]
American scientists plan to crack open a salt crystal with liquid inside that may contain still-living microorganisms from 830 million years ago, in research that could provide insight into life on o… [+2545 chars]
Birds that hunt their prey during the night need special adaptations in order to allow them to see in low light conditions and to judge the distance to obstacles in their flight path as well as the d… [+6175 chars]
A mile-wide asteroid passed by Earth on Friday (May 27) at a distance about 10 times that of the space between the Earth and moon. The asteroid, known as asteroid 7335 (1989 JA), is roughly four tim… [+2070 chars]
Measuring the expansion rate of the universe was one of the Hubble Space Telescope’s main goals when it was launched in 1990. Over the past 30 years, the space observatory has helped scientists disc… [+5214 chars]
"Shooting stars" from the tau Herculids meteor shower may be visible late this month, but you might want to listen for them instead. Excitement among meteor enthusiasts is building as we get closer … [+6742 chars]
DNA "fingerprints" left behind by sea turtles offer scientists a simple, powerful way of tracking the health and whereabouts of these endangered animals, a key step forward in their conservation. A … [+6908 chars]
Measuring the expansion rate of the universe was one of the Hubble Space Telescope’s main goals when it was launched in 1990. Over the past 30 years, the space observatory has helped scientists disc… [+5214 chars]
MAR DEL PLATA, Argentina Many athletes get the "jitters" a feeling of anxiety just prior to competing. For elite athletes, whether they're participating in an individual event or as part of a team, w… [+9207 chars]
When biologist Christian Brown set out to study the wandering salamander, he faced an unusual problem: how do you best observe a creature that spends most of its time living in the canopy of the worl… [+4570 chars]
