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Explore the discovery of Kepler-139f, a super-Earth exoplanet 36 times Earth's mass, orbiting its star every 355 days. Learn ...
The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...
Lawmakers Tell Rubio to Refrain From Mass Layoffs at State Department Democrats say they are worried about reports that about 700 career diplomats will be fired.
Police tape crosses a construction site where prosecutors say excavators found a mass grave in Nextipac, Jalisco state, Mexico.
The global deal-making efforts show the extreme measures Mr. Trump is willing to take to fulfill his aspirations for mass deportations, even if it means flying immigrants into danger or uncertainty.