Like Earth, Mars once had a strong magnetic field that shielded its thick atmosphere from the solar wind. But now only the magnetic imprint remains. What’s long baffled scientists, though, is why this imprint appears most strongly in the southern half of the Red Planet. A new study from the University of Texas Institute for… Continue Reading Molten Martian Core Could Explain Red Planet’s Magnetic Quirks
Uranus’s Swaying Moons will Help Spacecraft Seek Out Hidden Oceans
When NASA’s Voyager 2 flew by Uranus in 1986, it captured grainy photographs of large ice-covered moons. Now nearly 40 years later, NASA plans to send another spacecraft to Uranus, this time equipped to see if those icy moons are hiding liquid water oceans. The mission is still in an early planning stage. But researchers… Continue Reading Uranus’s Swaying Moons will Help Spacecraft Seek Out Hidden Oceans