The giant-impact hypothesis posits that billions of years ago a Mars-sized body named Theia collided with the early Earth.

From the daily newsletter: a doctor goes to Mars. Plus: investigating celebrity yearbooks; Merve Emre on friendship books; ...

If you want to explore space with humans, water becomes one of the most critical commodities,” explains Mahesh Anand, a professor of planetary science and exploration at the ...

Apollo's Fire Baroque Orchestra is bringing a program packed with musical gems to Los Alamos. The program's title, "A Night at Bach's Coffeehouse," was inspired by a famous coffeehouse in 18th century ...

The Indian Council of Medical Research (ICMR), the Indian Cancer Society, the Apollo Cancer Centres, and the Family Physician Associations started a campaign on World Cancer Day and urged the ...

US President Donald Trump on Tuesday signed an executive order withdrawing Washington from a number of United Nations bodies ... with many of the 1.9 million people displaced by the war in ...

Cecilia Rouse, Brooking Institution president, and Torsten Slok, Apollo Global Management chief ... in a week to see what it would do to his body Take note: These 5 changes are coming to Dubai ...

Heavy battles between M23 fighters and Congolese government forces in the eastern Democratic Republic of the Congo (DRC) city of Goma have left many bodies on the streets, with hospitals ...

Busà Photography / Getty Images Many people believe that being wealthy means having a nice house, a late-model car, and a summer cottage, but the kind of money possessed by the wealthiest 1% of ...

The bodies of the astronauts remained in the spacecraft ... Eisele and Walter Cunningham were the backup team for Apollo 1 and presumably will move into the void left by Grissom, White and Chaffee.