Russia is set to extend a ban on most diesel exports beyond the end of September as Ukraine continues to attack its refineries, according to people familiar with the matter.
Ultrashort laser pulses can be used to generate X-rays. Normally, however, only certain specific frequencies are produced. A team from TU Wien and the University of California San Diego has developed a method that makes it possible to tune the frequency continuously.
When the James Webb Space Telescope pointed its powerful instruments toward the early universe, scientists were surprised by what it found. At high-redshift (z) values, corresponding to less than 1 billion years after the Big Bang, astronomers witnessed an abundance of galaxies that hosted what ...
President Trump on Monday acknowledged major Ukrainian military strikes have hit Russian energy infrastructure hard, saying Russia has lost control of its diesel oil industry and calling for an end to the war.
Scientists have found evidence that black holes of vastly different sizes may launch powerful jets according to the same universal rule. Supermassive black holes can produce jets soon after tearing apart a star, then fire up again hundreds or thousands of days later when their feeding rate drops...
US Trade Representative Jamieson Greer discusses trade talks with China, the possibility of a diesel export ban, and the state of relations with Canada and the renegotiation of the USMCA.