If you Want to Move an Asteroid, you Need the Right Kind of Nuclear Explosion
A new collaborative study has shown that nuclear explosions could be used to deflect asteroids, protecting Earth from cataclysmic impacts.
Finding Oxygen on an Alien World Doesn't Always Mean There's Life There
Oxygen could indicate presence of life on another world, but for red dwarf planets finding oxygen isn't enough.
100-meter Asteroid Created a Strange Impact Event in Antarctica 430,000 Years Ago
The effects of ancient asteroid impacts on Earth are still evident from the variety of impact craters across our planet.…
Galileo Sunspot Sketches Versus Modern ‘Deep Learning’ AI
A new study turns modern 'deep learning' techniques on Galileo's early sketches of the Sun.
Earth Gains 5,200 Tons of Dust From Space Every Year
Whenever I wipe the dust off my coffee table or catch a glimpse of dust motes floating in sunlight, my…
The Same Technology Could Search for Microbes in Mars Rocks or Under the ice on Europa
NASA's SHERLOC and WATSON, two spectrometers designed to look for biosignatures, could answer if there's life on Mars on inside…
Trojan Mission Lucy Tested its Solar Panels for the First Time. Those Things are Huge
Space missions often have to go where the sun don’t shine. Or at least where it shines very faintly. That…
Gaia Finds 12 Examples of Einstein Crosses; Galaxies Being Gravitationally Lensed so we see Them Repeated 4 Times
After examining data from the Gaia Observatory, a team of researchers found 12 more examples of the rare phenomenon known…
Brown Dwarfs can Spin so Fast They Almost Tear Themselves Apart
Some brown dwarfs rotate so fast that they are flattened spheres. If they rotate any faster they might fly apart.
OSIRIS-REx Did One Last Close Flyby of Asteroid Bennu. It’s Almost Time to Come Home
After more than two years in orbit around asteroid Bennu, NASA's OSIRIS-REx spacecraft is ready to come home. It's bringing…