NASA will try again Saturday to launch its new moon rocket on a test flight, after engine trouble halted the first countdown this week.

Managers said Tuesday they are changing fueling procedures to deal with the issue. A bad sensor also could be to blame for Monday's scrapped launch, they noted.

Years late and billions over budget, NASA's new moon rocket makes its debut next week in a high-stakes test flight before astronauts get on top.

The 322-foot (98-meter) rocket will attempt to send an empty crew capsule into a far-flung lunar orbit, 50 years after NASA's famed Apollo moonshots.

Stargazers gathered to watch the Perseid meteor shower among ancient statues atop Mount Nemrut in southeastern Turkey.

Hundreds spent the night at the UNESCO World Heritage Site for the annual meteor show that stretches along the orbit of the comet Swift–Tuttle.

A Russian rocket on Tuesday successfully launched an Iranian satellite into orbit.

The Soyuz rocket lifted off as scheduled at 8:52 a.m. Moscow time (0552 GMT) Tuesday from the Russia-leased Baikonur launch facility in Kazakhstan.

A malnourished beluga whale that has swum up France's River Seine is no longer progressing but is still alive, environmental group Sea Shepherd said Monday.

Russia will launch an Iranian remote sensing satellite into orbit next Tuesday, the two countries confirmed, two weeks after President Vladimir Putin visited Tehran.

Conjoined twins born in Brazil with a fused head and brain have been separated in what doctors described Monday as the most complex surgery of its kind, which they prepared for using virtual reality.

Arthur and Bernardo Lima were born in 2018 in the state of Roraima in northern Brazil as craniopagus twins, an extremely rare condition in which the siblings are fused at the cranium.

A Chinese booster rocket made an uncontrolled return to Earth on Saturday, leading U.S. officials to chide Beijing for not sharing information about the potentially hazardous object's descent.

French satellite operator Eutelsat said on Monday it was in talks with British counterpart OneWeb for a tie-up to create a "global champion" in broadband internet, rivalling U.S. operators such as Elon Musk's Starlink.

Did you catch the supermoon?

There was a full moon Wednesday night, and at the same time, the moon was closer to Earth than usual. That combo is called a supermoon.