These are tech expert Marc Salzman's top CES picks for USA TODAY after his hands-on with future gadgets and gear in Las Vegas ...

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

KEY FINDINGS Europa has long stood at the center of humanity’s search for life beyond Earth, its cracked ice shell and hidden ocean making it one of the solar system’s most compelling worlds. Now, as ...

U.S. President Donald Trump's withdrawal from the United Nations climate framework marks a significant escalation of anti-climate policy.