30+ min ago   (394+ words) Our expert tester rated the Celestron StarSense Explorer DX 130AZ telescope with an impressive review and it's now at one of its lowest prices this year in this limited-time Amazon deal. The Celestron StarSense Explorer DX 130AZ is one of the best…...

3+ week, 3+ day ago   (242+ words) By Hanneke Weitering Published 28 August 26 On Aug. 28, 1993, NASA's Galileo spacecraft flew by the asteroid Ida on its way to Jupiter. Here's why it mattered. By Hanneke Weitering Published 27 August 26 On Aug. 27, 1962, NASA launched Mariner 2, the world's first spacecraft to successfully…...

1+ hour, 30+ min ago   (210+ words) Astronomy is often about being close to extraordinary things without fully experiencing them. Here's why to love partials, grazings, faint objects and other almost-events. Stargazers have trigger words — total, bright, peak, maximum, best. But observing the sky is often more…...

4+ hour, 30+ min ago   (328+ words) "Most objects in the universe leave some trace of light. Cloud-9 does not. That silence is, in its own way, the most compelling result we could have obtained." Scientists are closer than ever before to confirming that a galaxy known…...

6+ hour, 4+ min ago   (396+ words) When Galileo buzzed the asteroid Ida, it made a surprising discovery: the tiny moon Dactyl! On Aug. 28, 1993, NASA's Galileo spacecraft flew by the asteroid Ida while on its way to Jupiter. Galileo was the first spacecraft to fly by an…...

6+ hour, 30+ min ago   (283+ words) Curiosity has now gained a kilometer of elevation on the Red Planet. One of NASA's intrepid Mars rovers has notched another impressive milestone during its exploration of the Red Planet. NASA's Curiosity Mars rover used its Mastcam camera to capture…...

10+ hour, 30+ min ago   (464+ words) The lunar eclipse occurred as Earth passed between the sun and the moon, granting viewers a spectacular view of our planet's deep umbral shadow as it advanced to cover 96% of the lunar disk, leaving a tiny crescent exposed to direct…...

2+ day, 2+ hour ago   (193+ words) Extreme tidal forces are driving the planet towards a rapid and inexorable orbital evolution, destining it to a fatal encounter with its own star. Astronomers have discovered a new ocean world outside the solar system that orbits extremely close to…...

2+ day, 3+ hour ago   (1825+ words) I journeyed to the path of totality in Spain to watch the Aug. 12 total solar eclipse with a group of passionate citizen scientists. Here's my story. I had never seen a total solar eclipse. That's a strange thing to admit…...

2+ day, 5+ hour ago   (745+ words) "This is one of the most promising avenues for new astrophysical constraints on dark matter's nature." In late June 2023, on a morning train commuting to work in New York City, David Hendel was scrolling through a recent astronomy paper on…...