NASA engineers could attempt the first flight on Mars in just a few days, and it could change space exploration forever.

Two deputies are injured and a suspect is dead following a shooting outside a sheriff's office in South Salt Lake, Utah, authorities said.

Cuba on Saturday published a new animal-welfare law, the country's first, providing fines in cases of abuse but not banning cockfights or animal sacrifices during religious rites. The legislation is considered a victory for Cuba's civil society, one of...

WASHINGTON — The desperate plea landed this week in the email inboxes of employees in government agencies like the Department of Homeland Security and NASA: Will you consider taking a four-month paid leave from your job to help care for migrant children...

Army officer sues Virginia cops, saying his rights were violated after video shows officers pull weapons and pepper-spray him in December traffic stop.

Anthony Fauci, the nation's top infectious diseases expert, said he will allow his fully vaccinated neighbors into his house without masks but that he is staying away from crowded indoor spaces."I don't think I would - even if I'm vaccinated - go into...