Astronomers Just Found Dozens of New Asteroid Families'
Asteroid collisions in the main belt produce families of fragments that initially share orbits, enabling lineage tracing despite gradual orbital divergence.
A Chaotic Mars-Earth Planetary Cycle May Have Contributed to One of Earth's Major Warming Events
Researchers discovered evidence of a 1.6-million-year cycle affecting Earth and Mars climate patterns from Jurassic lake sediments in the Sangonghe Formation, China.