NASA is suspending "the majority of its ongoing engagements" with its Russian counterpart over the crisis in Ukraine.
The Verge, which first broke the news based on a leaked memo, reports that "the suspension includes travel to Russia, teleconferences, and visits by Russian government officials to NASA facilities. NASA is even suspending the exchange of emails with Russian officials."
NASA confirmed the story in a statement late Wednesday.
The U.S. says Iran's potential nomination of a new United Nations ambassador who was a hostage-taker during the 1979 takeover of the U.S. Embassy in Tehran is "extremely troubling," but stopped short of saying it would deny him a visa.
"We're taking a close look at the case now, and we've raised our serious concerns about this possible nomination with the government of Iran," State Department deputy spokesman Marie Harf said of Hamid Aboutalebi, who was a member of a radical Muslim student group who seized the took over the embassy and held 52 Americans hostage for 444 days.
The Supreme Court's McCutcheon decision has been described both as a victory for the First Amendment and as another damaging blow to campaign finance laws.
One thing seems certain: The decision, which overturned limits on the aggregate amounts individual donors can give to candidates and campaigns, will mean more money sloshing around political campaigns.
In practical terms, that means more business for the political consultants who orchestrate most serious federal political campaigns.
This post has news through 11:20 p.m. ET on Wednesday. For updates since then, click here.
A gunman opened fire on the military post of Fort Hood, Texas, on Wednesday, killing three and injuring 16, before putting the gun to his head and killing himself, Lt. Gen. Mark A. Milley said at a televised news conference.
The FBI and the Securities and Exchange Commission revealed this week that they're both investigating the world of high-frequency stock trading. They did so at a time when a new book on the subject, Flash Boys by Michael Lewis, is causing an uproar on Wall Street.
To read Lewis' book is to be reminded of how drastically the stock market has changed in a decade — and how opaque it remains. Lewis says this opacity serves to cover up some disturbing developments.