This post was updated June 25 at 9:17 p.m. Gina Osborne thought vegetables could not grow without soil. But at the Tower Gardens on the Sproul Landing Sun Deck, she does just that.

The border wall built during the Trump administration now stands along roughly 190 miles of Arizona's border with Mexico.

Robert Wall is Executive Editor for Defense and Space. Based in London, he directs a team of military and space journalists across the U.S., Europe and Asia-Pacific.

Meta Platforms (NASDAQ:META) CEO Mark Zuckerberg isn’t the type of leader to back down whenever there’s a generational opportunity to seize. Undoubtedly, the AI revolution is in full swing ...

Cell wall articles from across Nature Portfolio The plant cell wall is a complex matrix of linked polysaccharides such as cellulose and pectin, forming a thick semi-permeable rigid barrier outside ...