The United Launch Alliance Delta IV Heavy rocket launches NASA's Parker Solar Probe. Photo: Bill Ingalls/NASA via Getty Images

NASA's Parker Solar Probe lifted off from Cape Canaveral Air Force Station at 3:31 a.m. Sunday on a mission to get within 3.8 million miles of the Sun's surface, reports the AP.

Why it matters: If successful, the Parker probe will become the first spacecraft to enter the sun's corona and the fastest-moving man-made object in history, traveling at a record-breaking 430,000 mph by 2024 and 2025.

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Biden campaign, DNC jointly raised $140 million in July

Photo: Andrew Caballero-Reynolds/AFP via Getty Images

The Biden campaign, the Democratic National Committee and their joint fundraising committees announced Wednesday that they raised $140 million in July.

Why it matters: With 90 days until the election, the Biden campaign and DNC now have $294 million on hand, an increase of $50 million over the past month.

Updated 38 mins ago - Politics & Policy

Coronavirus dashboard

Illustration: Eniola Odetunde/Axios

  1. Global: Total confirmed cases as of 6:30 p.m. ET: 18,643,633 — Total deaths: 703,127 — Total recoveries — 11,206,409Map.
  2. U.S.: Total confirmed cases as of 6:30 p.m. ET: 4,811,128 — Total deaths: 157,690 — Total recoveries: 1,528,979 — Total tests: 58,239,438Map.
  3. Public health: Florida surpasses 500,000 confirmed casesFauci calls U.S. coronavirus testing delays "totally unacceptable."
  4. Business: America's next housing crisis.
  5. States: Virginia launches contact tracing app using specs from Apple and Google.
  6. Politics: White House, Democrats remain "trillions of dollars apart" on stimulus talks.
1 hour 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.