Astronomy
50 years ago, Mauna Kea opened for astronomy. Controversy continues
Current plans to build a new telescope on the volcano sparked the latest conflict.
Astronomy
More Stories in Astronomy
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AstronomyThe star cluster closest to Earth is in its death throes
Gaia spacecraft observations of stars’ motion within and fleeing the cluster suggest the 680-million-year-old Hyades has only 30 million years left.
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AstronomyThis is the first picture of a sunlike star with multiple exoplanets
A first family portrait reveals a weird cousin of the solar system: a star about the mass of the sun orbited — distantly — by two massive gas giants.
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AstronomyPinning down the sun’s birthplace just got more complicated
Many astronomers think that the sun was born in a loose association of thousands of stars. A new study suggests there’s another possibility.
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AstronomyThe closest images of the sun ever taken reveal ‘campfire’ flares
The first images from Solar Orbiter, a NASA-European Space Agency spacecraft, show tiny, never-before-seen flares across the sun’s surface.
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SpaceThis is the most comprehensive X-ray map of the sky ever made
A new X-ray map of the entire sky, using data from the eROSITA telescope’s first full scan, looks deeper into space than any other of its kind.
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SpaceA newfound exoplanet may be the exposed core of a gas giant
A planet about 734 light-years away could be a former gas giant that lost its atmosphere or a failed giant that never finished growing.
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SpaceColliding black holes may have created a surprising flare of light
A flare-up after a gravitational wave outburst may be the first sighting of light from colliding black holes.
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Particle PhysicsPhysicists spot a new class of neutrinos from the sun
Researchers with the Borexino experiment in Italy have detected neutrinos produced in the secondary fusion process taking place in the sun’s core.
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SpaceLIGO and Virgo detected a collision between a black hole and a mystery object
The first evidence of an object more massive than any neutron star and more lightweight than any black hole has astronomers wondering what it is.