For Astronomy magazine's 15th annual compilation of Star Products, we've once again explored the vast astronomical ...

Cosmic dust, it turns out, isn’t made of miniature rocks. It’s fluff. A comprehensive analysis of data from space missions, ...

Mercury is tiny, barely bigger than the Moon. Its metallic core makes up 70% of the planet’s mass, vastly exceeding Earth’s ...

"We were excited to see the growth of the tail, suggesting a change in the particles from the previous Gemini images." ...

The interstellar visitor will pass just 30 million kilometers from Mars on Oct. 3 — far closer than it comes to Earth.

On Oct. 1, 1847, Maria Mitchell was positioned on the roof of the Pacific National Bank on Main Street in her hometown of ...

Gravitational-wave detection technology is poised to make a big leap forward thanks to an instrumentation advance led by ...

This article, originally titled "The Man Who Discovered the Universe," is from the Summer 2025 issue of Air & Space Quarterly ...

Look Up! Join the Shreveport-Bossier Astronomical Society, Inc. to celebrate National Astronomy Day and the 35th Anniversary of the Hubble Space Telescope with an evening observation session ...

Einstein’s version of dark energy is known as the cosmological constant. It implies a fixed amount of dark energy in each ...

Unraveling the cosmic symphony of gravitational waves, from the 'Music of the Spheres' to moon-based detectors.

Launched on Sept. 6, 2023, XRISM studies X-ray signals emitted throughout the universe. On Feb. 25, 2024, it aimed at a neutron star known as GX13+1, located roughly 23,000 light-years from Earth.