For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined kerosene was favored for its easy handling and non-toxicity, hydrazine for its storability and simplicity,

The four-person crew has entered quarantine to avoid illness ahead of the historic lunar mission. Artemis 2 is a 10-day journey around the moon, marking the first U.S. human lunar mission in five decades. NASA is targeting an April launch for the mission ...

NASA hauled its Artemis II moon rocket off its seaside pad Wednesday for a slow trip back to a processing facility to track down and fix a helium pressurization problem that delayed launch of four astronauts on a flight around the moon from this month to ...

March 28, 2026: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.