The Threat of Cascading Extinctions on Earth Could Be Greater Than We Thought

Data from Insight reveals size of Mars's core. Up until now, the only celestial bodies that have had their cores measured were Earth and the moon. To make such measurements, scientists have used seismic data - to date, sensors aboard the craft have captured seismic data for approximately 500 quakes.

There Could be Magnetic Monopoles Trapped in the Earth's Magnetosphere

SpaceX has agreed to maneuver any of its Starlink satellites that come close to the International Space Station or other NASA spacecraft in low Earth orbit as part of an agreement between the agency and the company.