Companies looking to work on the ISS can expect to pay at least $50 million just in transportation costs.
Researchers found that HIV-positive children were four times as likely as kids without HIV to experience sitting, walking, standing and speaking delays.
Growing evidence suggests same-sex and different-sex parents are equally successful at raising children.
Parents in middle-income countries are more likely to spend a higher number of hours with their kids on homework.
Ugandan President Yoweri Kaguta Museveni is a Trump supporter with a history of controversial comments.
"Kushner Companies considers all reasonable and appropriate financing options on a project by project basis," a spokeswoman said.
The thousands of languages spoken around the world are unevenly spread—researchers have a theory about why far more are spoken in tropical regions of the world.
Current rankings need to take new factors into account in order to assess education systems fairly.
The U.N. has accepted partial responsibility in Haiti's 2010 cholera crisis.
The new International Development Secretary once suggested the department be scrapped.