Some space robots barely last a year, while the Voyager probes keep trucking. What makes a space probe eternal?

An anti-immigrant ballot initiative with ties to racist groups threatens to split the GOP and derail Bush's chances in Arizona.

The technologies unlocked by Mars could place us on a much more sustainable trajectory on Earth

Mars had multiple ice ages during the past 800 million years. Here's how scientists figured it out

A rock has been stuck to Perseverance's wheel since early February, setting a new record

NASA's Ingenuity helicopter successfully takes a short flight over the surface of the red planet

Disney has nixed Robert Zemeckis' plans for reanimating The Beatles. Why this might actually be a bad thing

Laura Bush, Anna Nicole Smith prepare for their close-ups. Affleck for senator? Plus: Indie royalty wed.

The prospects for the environment are grim. Is it time to think about leaving?

At Mars Hill Church in Seattle, Snoop Dogg figures in sermons, housewives cradle babies in tattooed arms -- and religious fundamentalism rules. Meet the Disciple Generation, the fierce new face of American evangelism.

Science writer Timothy Ferris examines the latest evidence of water on the red planet -- and why millions of people could end up living there.

Simon Winchester captures a poignant, pivotal moment in the Outback,when he gives a 7-year-old boy and his lamb their first view of the Internet.

Sen. McCain wants what Senate Majority Leader McConnell doesn't — a special committee on Russian hacking

Some of the wealthiest Americans claimed their fortunes would never last through the generations. They were wrong

From gun curbs to tax cuts, President Clinton seeks a legacy in his last, long-winded State of the Union address.