WATCH: 13-year-old pursuing master's degree at NYU

Joe Petraro-Hyppolite has an IQ of 168 and is one of the youngest people ever accepted into an NYU master's program.

Cristiano Ronaldo gets a hilarious reminder of his age after discovering Renato Veiga's birth year

Toxic waste: 'Every person that played in the pool is dead'

Michael Phillips played at a lagoon as a child, oblivious to the toxic chemicals within.

‘Her mental health deteriorated’: family forced to wait years for autism diagnosis

A mother describes the frustration of endless waiting lists and difficulties getting appointments so her teenage daughter can get the help she requiresFor Rosalyn, the battle for an official autism diagnosis for her 14-year-old daughter, Imogen, has been intense, deeply frustrating and has lasted fi

Archaeologists discover 'tomb of the very highest rank' in 2,700-year-old Etruscan cemetery

Archaeologists have discovered a massive Etruscan burial mound with a vast assortment of grave goods north of Rome.

Bill Gates says AI 'powerful enough' to cause 'a billion deaths'

In an exclusive interview with Meet the Press, Microsoft co-founder Bill Gates calls for government safeguards to address the risks posed by artificial intelligence.

Copying others can help young orangutans build a broad diet

Orangutans spend more than eight years learning how to cope on their own, and now we have a clearer idea of how they work out which foods to incorporate into their diet

Dogs pay more attention to consonants than vowels when we speak

Hooking up dogs to non-invasive EEG monitors has helped identify exactly which component of human speech the animals are most attuned to

Democratic lawmakers accuse Trump administration of interference in Brazilian elections

Legislators sent letter to Marco Rubio saying US interference is weakening Brazil’s democratic institutionsA group of 31 Democratic members of the US Congress has sent a letter to the secretary of state, Marco Rubio, criticising the Trump administration over “an apparent effort to interfere with, an

WATCH: 5th grade teacher, student die during field trip to Iowa nature reserve

A fifth teacher and her student died during a field trip to an Iowa nature reserve this week, investigators and school officials said.

Rare armored dinosaur found in Japan may have ancestors that migrated across a land bridge 100 million years ago

The newly described dinosaur is only the third nodosaurid fossil found in Asia. Researchers say its ancestors may have migrated from North America.

New data shows most women in the Marines passing toughened fitness tests for combat roles

Defense Secretary Pete Hegseth said he wanted women in combat roles to be held to the same physical standards as men. One year later, new numbers from the Marine Corps show most women in combat roles are meeting, or exceeding those standards. NBC News’ Yasmin Vossoughian reports.

WATCH: Fall foliage fever grows in Northeast

With autumn officially in full swing, leaf peepers across America are gearing up for the return of fall foliage.

WATCH: 11-year-old shares a look at his cancer journey

ESPN’s Victory Challenge aims to raise $10 million for pediatric cancer research while highlighting 11-year-old Heston's cancer journey.