Deep-sky objects shine and the giant planets show off their satellites as the bright light from the Moon disappears from our ...
Albert Einstein’s theory of general relativity is just over 100 years old, and so far it has predicted the interaction between celestial objects and the space-time field very well. There are a few ...
The Fighting Dragons of Ara, also called the Rim Nebula and cataloged as NGC 6188, comprises dark, star-forming clouds and bright young suns.
On Jan. 20, 1930, Edwin “Buzz” Aldrin was born in New Jersey. After graduating from West Point and serving as a fighter pilot in the Korean War, Aldrin completed his Ph.D. at MIT in 1963. When he was ...
The object that would become known as both the Great January Comet of 1910 and the Daylight Comet was first seen Jan. 12 in the Southern Hemisphere. It’s unclear who precisely discovered it, but some ...
The OSIRIS-REx spacecraft returned triumphantly to Earth in 2023 after collecting 4.3 ounces (121.6 grams) of precious grains of dust and rock from the asteroid Bennu in 2020. While that sample return ...
East of Gemini, where the bright planet Jupiter has been demanding attention, is the constellation Cancer. Closer to the horizon and to the lower left of the Twins early in the evening as the ...
It’s back: Astronomy magazine’s free downloadable Sky Guide, your preview of everything happening in the sky next year. Mars opens 2025 by reaching opposition the night of Jan. 15/16, when it shines ...
Comet 24P/Schaumasse is roughly 10th magnitude, visible using optics or in astrophotos of the sky. Rising shortly before local midnight, Schaumasse is best seen in the early-morning hours — and with ...
A seemingly small, unassuming constellation is rising in the east after sunset: Triangulum. One of the smallest constellations (ranking 78th out of 88), this simple star pattern is nonetheless ...
A recent study published in The Astrophysical Journal Letters has provided the most precise distance to the Coma Cluster of galaxies yet — and also has deepened a crisis in cosmology. The problem is ...
Voyager 1 has now traveled more than 16 billion miles (26 billion kilometers), drifting past Jupiter and Saturn on a long haul out of the solar system. And its incredible success helped pave the way ...
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