At the heart of the Milky Way, just 27,000 light-years from Earth, there is a supermassive black hole with a mass of more than 4 million suns. Nearly all galaxies contain a supermassive black hole, and many of them are much more massive. The black hole in the elliptical galaxy M87 has a mass of […]

As humans began to explore outer space in the latter half of the 20th century, radio waves proved a powerful tool. Scientists could send out radio waves to communicate with satellites, rockets and other spacecraft, and use radio telescopes to take in radio waves emitted by objects throughout the universe.

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Sometimes space exploration doesn’t go as planned. But even in failure, engineers can learn, adapt, and try again. One of the best ways to do that is to share the learning, and allow others to reproduce the work that might not have succeeded, allowing them to try again. A group from MIT’s Space Enabled Research […]

Using the Green Bank Telescope (GBT), astronomers from West Virginia University and elsewhere have observed two distant pulsars identified with the Five-hundred-meter Aperture Spherical Radio Telescope (FAST). Results of the observational campaign, presented October 27 on the arXiv preprint server, deliver important insights into the properties of these two pulsars.

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An international team of scientists, led by the University of Oxford, has achieved a world-first by creating plasma “fireballs” using the Super Proton Synchrotron accelerator at CERN, Geneva, to study the stability of plasma jets emanating from blazars.

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A few days ago, I wrote about non-singular black hole models, specifically one known as the Hayward model. Since its introduction in 2006, several variations of the Hayward model have been introduced, including a rotating model similar to the Kerr metric used to study the supermassive black holes we’ve observed directly. This raises an interesting […]

The International Space Station is one of the most remarkable achievements of the modern age. It is the largest, most complex, most expensive and most durable spacecraft ever built.

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The United States and China are locked in a contest to be the first country to send humans to the lunar surface in half a century. But there’s a developing twist: an emerging competition between American companies to build the landing vehicle that could win this new moon race for the US.

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