NASA spaceship Mars 2020, carrying the Perseverance rover, is experience technical difficulties and is running on essential systems only, the agency said. Data indicate the spacecraft had entered a state known as safe mode, likely because a part of the spacecraft was a little colder than expected.

Critical digital rights battles over privacy, free speech and anonymity are increasingly being fought in video games, a growing market that is becoming a "new political arena," experts and insiders said on Thursday.

IBM launched a research partnership with Japanese business leaders to accelerate advances in quantum computing and also to strengthen ties between US and Japan in the field. The "Quantum Innovation Initiative Consortium" will be based at the University of Tokyo.