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Nearly 60 years after NASA sent the first humans to ever land on our moon, the U.S. is going back with a series of increasingly difficult missions. Horizons moderator William Brangham explores the Artemis program and what new discoveries NASA is hoping to find with PBS News science correspondent Miles O’Brien, Casey Dreier of The Planetary Society and retired astronaut and engineer Leroy Chiao.

Following a fireball that caused a sonic boom over western Pennsylvania and eastern Ohio, a possible cosmic discovery was made in Ohio.

A Space Force GPS satellite previously slated to launch this month on ULA's Vulcan rocket has been re-manifested to SpaceX's Falcon 9.

ULA's Vulcan launch vehicle is grounded after a solid rocket booster anomaly last month.

Another GPS launch shifts from ULA to SpaceX as Vulcan investigation continues Another GPS launch shifts from ULA to SpaceX as Vulcan investigation continues

"With this change, we are answering the call for rapid delivery of advanced GPS capability while the Vulcan anomaly investigation continues."

A microscopic layer of environmental carbon solves a long-standing mystery about static electricity's true origins.

Scientists uncover a vast freshwater system deep beneath the Great Salt Lake, revealing new clues about hidden water and dust risks.

A groundbreaking advance at UCLA has opened a compelling new frontier in the realm of next-generation electronics by addressing one of the most persistent challenges in perovskite semiconductor

The NASA Artemis II rocket with the Orion spacecraft moved toward the pad Friday following repairs Vehicle Assembly Building. (AP video: Cody Jackson; Production: Shelby Lum)

New research identifies a critical RNA recycling system that prevents cellular "clogging," offering a new path for anti-aging therapies.