Even by a conspiracy theorist’s standards, the wild claims made by Representative Clay Higgins, Republican of Louisiana, stand out. The hard-right congressman, now in his fourth term in the House, has said that “ghost buses” took agent provocateurs to the Capitol on Jan. 6, 2021, to instigate the riot. He has claimed that the federal government is waging a “civil …

On Thursday, astronomers who are conducting what they describe as the biggest and most precise survey yet of the history of the universe announced that they might have discovered a major flaw in their understanding of dark energy, the mysterious force that is speeding up the expansion of the cosmos. Dark energy was assumed to be a constant force in …

The federal government is required to “expeditiously” house migrant children who cross into the United States unlawfully, rather than allow them to remain in unsafe open-air sites along the border, a Federal District Court judge ruled Wednesday night. The decision, handed down by Judge Dolly M. Gee of the United States District Court of Central California, sided mostly with the …