Watch a livestream of the New Glenn mission to Mars as Jeff Bezos' Blue Origin prepares to launch the rocket again from Florida.

It's an important launch for Jeff Bezos' space company, which is trying to prove its rockets can be reused while delivering its first commercial payloads.

U.K. science minister Lord Patrick Vallance told the BBC that they've developed a plan to phase out animal testing for certain safety testing by the end of the year, and to reduce the use of dogs and primates by 35% by 2030. In 2020, about 2.88 million animals were used in testing in the country.