In a study published today in Science, researchers say they have solved a climate enigma — the inexplicable surge in global temperature in 2023, rising faster than climate models predicted. By ...

The vernal equinox occurs at 10:46 A.M. EDT, bringing astronomical spring to the Northern Hemisphere as the Sun stands directly over Earth’s equator. On this day, the Sun also sits at the celestial ...

The simple answer is that Saturn’s rings do cast shadows on the planet’s surface! NASA’s Cassini spacecraft, which orbited Saturn from 2004 to 2017, took the dramatic image of the rings’ shadows on ...

This article originally appeared in the March 2007 issue of Astronomy. Only one star, the Sun, lies close enough to resolve through amateur telescopes. Observing the Sun provides a superb daytime ...

This is the ideal night to run the 2026 Messier marathon. This annual event challenges observers to view every object in Charles Messier’s catalog in a single night, from sundown to sunup. According ...

Born March 21, 1866, in New York, Antonia Maury was born into a family with an astronomical legacy: Her grandfather, John William Draper, was the second person to photograph the Moon (and the first ...

Saturn reaches opposition at 2 A.M. EDT, visible all night and offering stunning views of its rings and moons. The ringed planet now rises around sunset and is highest around local midnight, when it ...

French inventor Louis Daguerre, pioneer of the early photography process of daguerreotypes, is believed to have captured the first photo of the Moon on Jan. 2, 1839. However, the quality and other ...

A team of scientists has confirmed that the nearby star GJ 887 hosts at least four planets, one of which could be a habitable world — the second closest to our own solar system. RELATED: Animal life ...

Visible in Scotland, the total solar eclipse of Aug. 2, 1133, featured nearly 4½ minutes of totality. This eclipse provides just one of many historical examples of people wrongly associating a ...

NASA’s Van Allen Probe A re-entered Earth’s atmosphere on Wednesday, March 11, at 6:37 a.m. EDT, marking the final chapter for a spacecraft that reshaped scientists’ understanding of the radiation ...

Today is a busy day! Mercury passes 2° south of Mars at 2 A.M. EDT — we’ll observe the pair in the evening sky, along with a Titan transit of Saturn. But first, the Orionid meteor shower peaks as the ...