General John Hyten speaks during the 32nd Space Symposium. Photo: Matthew Staver/Bloomberg via Getty Images

General John Hyten, head of U.S. Strategic Command, has warned in an interview with CNN that China and Russia are working to produce new hypersonic weapons that the U.S. currently cannot defend against.

"China has tested hypersonic capabilities. Russia has tested. We have as well. Hypersonic capabilities are a significant challenge... We are going to need a different set of sensors in order to see the hypersonic threats. Our adversaries know that."
— Gen. John Hyten to CNN

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Updated 20 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Eniola Odetunde/Axios

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44 mins ago - World

How new tech raises the risk of nuclear war

Illustration: Annelise Capossela/Axios

75 years after Hiroshima and Nagasaki, some experts believe the risk of the use of a nuclear weapon is as high now as it has been since the Cuban missile crisis.

The big picture: Nuclear war remains the single greatest present threat to humanity — and one that is poised to grow as emerging technologies, like much faster missiles, cyber warfare and artificial intelligence, upset an already precarious nuclear balance.

White House, Democrats remain "trillions of dollars apart" on stimulus talks

Meadows and Mnuchin. Photo: Alex Wong/Getty Images

The Trump administration and Democrats have not agreed to any "top-line numbers" and remain "trillions of dollars apart" on coronavirus stimulus negotiations, White House chief of staff Mark Meadows said Wednesday.

The state of play: Meadows told reporters, "At this point we’re either going to get serious about negotiating and get an agreement in principle or — I’ve become extremely doubtful that we’ll be able to make a deal if it goes well beyond Friday.”