A massive raft made of pumice stones is floating towards Australia, carrying marine organisms that scientists say could help replenish Australia's Great Barrier Reef.

Some of the stones are as large as basketballs, and have formed a giant sheet stretching about 58 square miles — nearly the size of Washington, D.C.

An explosion from an underwater volcano near the tiny island nation of Tonga is thought to have produced the raft, according to NASA.

When critics talk about musician Ari Lennox, they use words like "classic" and "timeless" to describe her soulful R&B sound. But it's been a long road to this recent breakout success.

If you are heading to the movies to see The Angry Birds Movie 2, then you are in for a double treat. Playing before that feature is an animated short called Hair Love.

Conceived and directed by Matthew Cherry, it follows the story of an African American father — Stephen — and his daughter, Zuri. Stephen is trying to learn how to do young Zuri's glorious natural hair, and, well, it's not so easy.

President Trump is meeting with his counterparts at the G-7 summit in France, where he walked back previous statements on trade with China.

On Friday, Trump hiked tariffs on Chinese imports and threatened to invoke a 1977 act authorizing the president emergency powers to force U.S. businesses out of China.

Updated at 11:45 a.m. ET

Joe Walsh, a conservative talk-radio host and former Tea Party congressman, is launching a long-shot primary challenge to President Trump. He's the second Republican to officially announce a run against Trump, who has a strong approval rating among his party's base.

Walsh, 57, supported Trump during his 2016 campaign but in recent months has been offering a bitter critique of the president, calling Trump a liar and bully who is unfit for office. Walsh has also attacked Trump from the right.