Electromagnetic radiation astronomy is a research area focused on observing and interpreting astrophysical phenomena through their emission, absorption, and scattering of electromagnetic radiation across the entire spectrum, from radio waves to gamma rays. It encompasses the development and use of ground-based and space-borne telescopes, detectors, and instrumentation optimized for specific wavelength ranges, along with calibration, data reduction, and spectral, temporal, and imaging analysis techniques. The field integrates radiative transfer, plasma physics, and atomic and molecular processes to infer physical conditions, kinematics, composition, and magnetic fields in cosmic sources, and underpins multiwavelength and multi-messenger studies of the universe.
The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal of Cosmology and Astroparticle Physics, which aims to redefine how we search for dark matter, showing that it ...
Astronomy
Apr 9, 2026
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Pulsars are ultra-dense, rapidly spinning, and highly magnetized remnants of dead stars. They act like cosmic lighthouses, sending out regular pulses of radio waves and sometimes gamma rays in beams that sweep across the ...
Astronomy
Mar 25, 2026
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Astronomers have an answer for a long-running mystery in astrophysics: why is the growth of supermassive black holes so much lower today than in the past? A study using NASA's Chandra X-ray Observatory and other X-ray telescopes ...
Astronomy
Mar 24, 2026
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The Smile mission is set to launch on a Vega-C rocket from Europe's Spaceport in French Guiana on Thursday, April 9, at 08:29 CEST/07:29 BST/03:29 local time.
Space Exploration
Mar 20, 2026
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New simulations performed on a NASA supercomputer are providing scientists with the most comprehensive look yet into the maelstrom of interacting magnetic structures around city-sized neutron stars in the moments before they ...
Astronomy
Jan 29, 2026
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A UBC Okanagan-led research project has given a group of international scientists their clearest view yet of the Milky Way's magnetic field, revealing that it is far more complex than previously believed.
Astronomy
Jan 29, 2026
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A team of researchers studying the uncertainties associated with a phenomenon known as cosmic birefringence has developed a method to reduce uncertainties in its observational measurements, according to a new study published ...
Astronomy
Jan 28, 2026
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In our galaxy, a supernova explodes about once or twice each century. But historical astronomical records show that the last Milky Way core-collapse supernova seen by humans was about 1,000 years ago. That means we've missed ...
Astronomy
Jan 28, 2026
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The Vera Rubin Observatory (VRO) hasn't yet begun its much-anticipated Legacy Survey of Space and Time. But it saw its first light in June 2025, when it captured its Virgo First Look images as part of commissioning its main ...
Astronomy
Oct 31, 2025
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126
Astronomers from the International Centre of Radio Astronomy Research (ICRAR) have created the largest low-frequency radio color image of the Milky Way ever assembled. This spectacular new image captures the Southern Hemisphere ...
Astronomy
Oct 28, 2025
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