New research challenges black holes as dark matter explanation

The gravitational wave detectors LIGO and Virgo have detected a population of massive black holes whose origin is one of the biggest mysteries in modern astronomy. According to one hypothesis, these objects may have formed ...

Observations explore open cluster NGC 1513

Using the National Astronomical Observatory (OAN) in Mexico, astronomers have observed an open cluster known as NGC 1513. Results of the observations, presented in a paper published May 16 on the pre-print server arXiv, yield ...

First observation of a focused plasma wave on the sun

For the first time, scientists have observed plasma waves from a solar flare focused by a coronal hole, akin to the focusing of sound waves responsible for the Rotunda effect in architecture or the focusing of light by a ...

Solar orbiter takes a mind-boggling video of the sun

You've seen the sun, but you've never seen the sun like this. This single frame from a video captured by ESA's Solar Orbiter mission shows the sun looking very fluffy! You can see feathery, hair-like structures made of plasma ...

Most massive stellar black hole in our galaxy found

Astronomers have identified the most massive stellar black hole yet discovered in the Milky Way galaxy. This black hole was spotted in data from the European Space Agency's Gaia mission because it imposes an odd 'wobbling' ...

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