Chris O'Meara/AP, FILES Without Earth's gravity ... 1 mSv of space radiation is roughly the same as receiving three chest X-rays, the federal space agency said. By comparison, a person on Earth ...

The Trump administration transferred hundreds of immigrants to El Salvador even as a federal judge issued an order ...

The White House has also confirmed Trump and Russian President Vladamir Putin will hold a call to discuss a ceasefire in Ukraine on Tuesday, which is expected to happen between 9 a.m. and 11 a.m. ET.

For the 25th anniversary of 'Final Destination,' James Wong, Glen Morgan, Kerr Smith and more look back at the enduring ...

The New York Times reported Musk would be getting a briefing on U.S. plans for any potential war against China. The Trump administration pushed back, saying this is false.

While SpaceX led the way in revolutionizing the commercial launch business, a new wave of companies is vying to supply the ...

One of the Holy Grails in cosmology is a look back at the earliest epochs of cosmic history. Unfortunately, the universe's ...

X-ray astronomy is a somewhat neglected corner of the more general field of astronomy. The biggest names in telescopes, like ...

President Trump announced he will release 80,000 pages of unredacted files Tuesday about the assassination of President John F. Kennedy, after promising on the campaign trail to declassify the ...

President John F. Kennedy’s grandson, Jack Schlossberg, tore into CNN for covering the trove of 80,000 documents surrounding the 35th commander-in-chief’s 1963 assassination that were released ...

Lane Bess, a tech investor and CEO, has now gone to space twice on Jeff Bezos' Blue Origin. Each time he said it reminded him ...

Jed McCaleb, known for founding Mt. Gox, Ripple, and Stellar, is now funding a space startup called Vast Space.