The largest asteroid of the year will swing by Earth on Sunday. But don't worry.

Bottom Trawling in The Ocean Is Running The Tap on Earth's Largest Carbon Sink

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.