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More than 5,000 tons of extraterrestrial dust fall to Earth each...

Every year, our planet encounters extraterrestrial dust from comets and asteroids. These interplanetary dust particles pass through our atmosphere and give rise...

From stardust to pale blue dot: Carbon’s interstellar journey to Earth

Carbon on Earth, the ultimate journey. We are made of stardust, the saying goes, and a pair of studies including University of...

Comet Catalina suggests comets delivered carbon to rocky planets

Comets delivered carbon to rocky planets, and an icy visitor from the edge of our solar system hurtled past Earth in early...

Earth’s carbon points to planetary smashup

The ratio of volatile elements in Earth's mantle suggests that virtually all of the planet's life-giving carbon came from a collision with...

NASA camera catches moon ‘photobombing’ Earth

On July 5, 2016, the moon passed between NOAA's DSCOVR satellite and Earth. NASA's EPIC camera aboard DSCOVR snapped these images over a period...

First signs of healing in the Antarctic ozone layer

A simulation of the Antarctic ozone hole, made from data taken on October 22, 2015. Credit: NASA's Goddard Space Flight Center (edited by MIT News) Scientists...

Deep ‘scars’ from ancient geological events play role in current earthquakes

A proposed perennial plate tectonic map. Present-day plate boundaries (white lines), with hidden ancient plate boundaries that may reactivate to control plate tectonics (yellow...

Study helps explain sea ice differences at Earth’s poles

Location of the southern Antarctic Circumpolar Current front (white contour), with -1 degree Celsius sea surface temperature lines (black contours) on Sept. 22 each...