SCOTCHTOWN, N.Y. (AP) - Scholars are hailing the discovery of a fossilized mastodon jaw discovered by a man who spotted two giant teeth while gardening at his upstate New York home this year.

CAPE CANAVERAL, Fla. (AP) - New research suggests that Saturn's rings may be older than they look - possibly as old as the planet.

NEW YORK (AP) - The oldest known stone tablet inscribed with the Ten Commandments sold for more than $5 million at an auction on Wednesday. Sotheby's said the 155-pound (52-kilogram) marble slab was acquired by an anonymous buyer who plans to donate it to an Israeli institution.

The world’s nations keep faltering in their efforts to join together to save the planet from several environmental crises. In the past few months United Nations-sponsored negotiations to tackle climate change, plastic pollution, loss of global species and a growing number of deserts have either outright failed or come out with limited outcomes.

NORFOLK, Va. (AP) - The company that owns the salvage rights to the Titanic said Thursday that it hasn’t settled on plans to retrieve more artifacts from the shipwreck, potentially cooling down a legal battle with the U.S. government.

The Geminids - among the few major meteor showers to come from asteroids - peak on Friday. It’s one of the year’s last chances to see fireballs in the sky.

CAPE CANAVERAL, Fla. (AP) - NASA announced more delays Thursday in sending astronauts back to the moon more than 50 years after Apollo.

CAPE CANAVERAL, Fla. (AP) - Known across the globe as the stuck astronauts, Butch Wilmore and Suni Williams hit the six-month mark in space Thursday with two more to go.