America reportedly has moved ahead in a controversial race to tinker with human DNA -- but the scientific feat is shrouded in unanswered questions.
For a few minutes on August 21, everyone in North America will be united in a solitary, awe-inspiring event: A total eclipse of the sun. Americans of all ages are expected to join by the millions to watch the sky grow dark in midday and then slowly brighten again.
SpaceX is grabbing headlines and trying to turn the aerospace industry on its head. It's also one of the world's most valuable privately held companies.
The House voted Thursday to approve a spending bill with $1.6 billion to put toward a border wall along the US-Mexico border, part of a high-profile campaign pledge from President Donald Trump.