What: A newly identified star system, Gaia GIC1, exhibits unusual brightness variations consistent with a large planetary collision Guests: SETI Live host and astrophysicist Dr. Moiya McTier spoke ...
In about 5 billion years, the Sun will run out of hydrogen at its core. This will make it swell up into a red giant, as it begins to fuse helium instead. In the process, we can say goodbye to Mercury ...
Mercury’s polar ice deposits may have formed in just one Mercurian day after a giant comet or asteroid slammed into the ...
Scientists have shown that Earth’s basic chemistry solidified within just three million years of the Solar System’s formation. Initially, the planet was barren and inhospitable, missing water and ...