The universe is a strange place. The X-ray Imaging and Spectroscopy Mission (XRISM) orbiting observatory recently highlighted this fact, when it was turned on a pulsar to document its powerful cosmic winds.

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Researchers at Kyushu University have found that rising CO2 levels in our atmosphere could lead to future disruptions in shortwave radio communications, including systems used for air traffic control, maritime communication, and radio broadcasting.

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An international team of researchers led by the Leibniz Institute for Astrophysics Potsdam (AIP) has shed light on a decades-long debate about why galaxies spin faster than expected—and whether this behavior is caused by invisible dark matter or by a collapse of gravity on cosmic scales.

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In November 1572, a brilliant new star appeared in the constellation Cassiopeia, shining so brightly that it was visible during the day. Danish astronomer Tycho Brahe carefully documented this celestial phenomenon, and the supernova remnant that bears his name has been studied intensively ever since. Now, a new analysis of recent observations suggests that Tycho’s […]

Despite the ongoing government shutdown, NASA did manage to complete a major milestone in its effort to send astronauts back to the moon.

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The sun is frequently ejecting huge masses of plasma, called coronal mass ejections (CMEs), into space. They often occur together with sudden brightenings called flares, and sometimes extend far enough to disturb Earth’s magnetosphere, generating space weather phenomena including auroras or geomagnetic storms, and even damaging power grids on occasion.

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Japan’s space agency successfully launched Sunday its most powerful flagship H3 rocket, carrying a newly developed unmanned cargo spacecraft for its first mission to deliver supplies to the International Space Station.

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Threats from space aren’t always obvious, but statistically, it’s only a matter of time before one of them happens. One of the most concerning for many space experts is a massive solar storm, like the one that literally lit telegraph paper on fire when it hit back in 1859.

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