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Astronomy 16 hours ago

Q&A: How to catch a glimpse of a new star about to appear in the night sky

If you peer up at the constellation Corona Borealis—the Northern Crown—over the next several months, you may catch a glimpse: Astronomers predict that sometime this year, a new star will appear in the night sky, growing ...

Astronomy 17 hours ago

Neutron stars could be capturing primordial black holes

The Milky Way has a missing pulsar problem in its core. Astronomers have tried to explain this for years. One of the more interesting ideas comes from a team of astronomers in Europe and invokes dark matter, neutron stars, ...

Astronomy 17 hours ago

Einstein probe opens its wide eyes to the X-ray sky

The first images captured by the innovative mission were presented at the 7th workshop of the Einstein Probe consortium in Beijing. They illustrate the satellite's full potential and show that its novel optics, which mimic ...

Astronomy 19 hours ago

America's 'big glass' dominance hangs on the fate of two powerful new telescopes

More than 100 years ago, astronomer George Ellery Hale brought two Pasadena institutions together to build what was then the largest optical telescope in the world. The Mount Wilson Observatory changed the conception of humankind's ...

Astronomy 19 hours ago

Revealing the origin of unexpected differences in giant binary stars

Using the Gemini South telescope a team of astronomers have confirmed for the first time that differences in binary stars' composition can originate from chemical variations in the cloud of stellar material from which they ...

Astronomy 21 hours ago

Webb captures iconic Horsehead Nebula in unprecedented detail

The NASA/ESA/CSA James Webb Space Telescope has captured the sharpest infrared images to date of one of the most distinctive objects in our skies, the Horsehead Nebula. These observations show a part of the iconic nebula ...

Astronomy 21 hours ago

Orion's erupting star system reveals its secrets

An unusual group of stars in the Orion constellation have revealed their secrets. FU Orionis, a double star system, first caught astronomers' attention in 1936 when the central star suddenly became 1,000 times brighter than ...

Astronomy 22 hours ago

Tidal disruption event ASASSN-19bt experiences unusual radio evolution, observations show

An international team of astronomers has conducted detailed radio and X-ray observations of a tidal disruption event (TDE) designated ASASSN-19bt. Results of the observational campaign, presented April 18 on the pre-print ...

Planetary Sciences 22 hours ago

New study reveals mystery of decaying exoplanet orbits

A new study led by researchers at Durham University has uncovered a novel mechanism that could solve a long-standing mystery about decaying planetary orbits around stars like our sun.

Astronomy Apr 28, 2024

Here's why we should put a gravitational wave observatory on the moon

Scientists detected the first long-predicted gravitational wave in 2015, and since then, researchers have been hungering for better detectors. But the Earth is warm and seismically noisy, and that will always limit the effectiveness ...

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