The Atacama Large Millimeter/Submillimeter Array (ALMA) in the Chilean Andes is one of the most powerful radio telescope facilities in the world. Researchers use it to study dark and distant regions of the universe in order to better understand how stars,

Visitors to the Sunwheel can see the sun rising and setting over the winter solstice stones from approximately Dec. 16 through Dec. 26. During this period the sun appears to rise at a fixed spot on the southeast horizon and set in a fixed southwest direction for more than a week.

The first pulsar was discovered in 1967 by Jocelyn Bell Burnell. Finding these mysterious signals forever changed astronomy.

Night sky update for December 17, 2025, covering the moon phase, visible planets, meteor showers, and key space and astronomy news from today

Among the more puzzling cosmic phenomena discovered over the past few decades are brief and very bright flashes of blue and ultraviolet light that gradually fade away, leaving behind faint X-ray and radio emissions.

Satellite mega constellations promise faster connectivity but threaten astronomy, as thousands of satellites brighten skies, disrupt observations and increase orbital hazards, prompting scientists to urge stronger global regulations urgently.

In this episode, Astronomy magazine Editor Emeritus Dave Eicher invites you to head out late in the evening, point your telescope in the general direction of Orion's Belt, and try to observe one of the most famous dark nebulae in the sky.

In this video, a nuclear engineer reacts to the Kurzgesagt video "Astronomy is in Crisis and It's Exciting," providing insight into the challenges faced by the field of astronomy. The video discusses how recent discoveries and advancements in technology are reshaping our understanding of the universe,

“With this new machine-learning tool, the Daniel K. Inouye Solar Telescope can help scientists build a more accurate 3-D map of the sun’s magnetic field,” Yang said. “It also reveals related features, like vector electric currents in the solar atmosphere that were previously very hard to measure.

People usually apply to graduate programs at research universities in Washington. But uncertain funding means there could be fewer spots available this cycle.