Astronomers discover a rare eclipsing X-ray binary

An international team of astronomers reports the detection of a rare eclipsing Be/X-ray binary system as part of the Swift Small Magellanic Cloud (SMC) Survey (S-CUBED). The finding was detailed in a research paper published ...

Multiple spacecraft tell the story of one giant solar storm

April 17, 2021, was a day like any other day on the sun, until a brilliant flash erupted and an enormous cloud of solar material billowed away from our star. Such outbursts from the sun are not unusual, but this one was unusually ...

Total solar eclipse 2024: The moon's moment in the sun

On April 8, 2024, much of North America will experience a solar eclipse: a cosmic alignment of sun, moon, and Earth, in that order. The moon's shadow path will make landfall on Mexico's Pacific coast, cross the United States ...

A new spin on Betelgeuse's boiling surface

Betelgeuse is a well-known red supergiant star in the constellation Orion. Recently it has gained a lot of attention, not only because variations in its brightness led to speculations that an explosion might be imminent, ...

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