The article details observational opportunities for two open star clusters in Cassiopeia: NGC 559 (the "Ghost's Goblet") on October 31, and M103 on November 7, emphasizing their visibility with ...

Venus will be visible in the western sky for approximately one hour after sunset throughout September, exhibiting a diminishing phase and decreasing altitude. A close conjunction with the Moon will ...

SpaceX’s Starship program—responsible for developing the largest and most powerful rocket ever flown—continues to make history. On Sunday, Starship and the Super Heavy booster lifted off around 8:25 a ...

Göbekli Tepe, a 12,000-year-old site in southern Turkey (potentially older in parts), predates known agricultural societies and displays complex megalithic structures, challenging existing theories ...

A leadership contest for the permanent NASA administrator position is underway, involving current interim administrator Sean Duffy and Jared Isaacman, whose prior nomination was unexpectedly withdrawn ...

(Editor’s note: The author of this article is one of the authors of a new paper on Planet Nine, which you can read here. It has been accepted for publication in The Astrophysical Journal Letters.) In ...

The First Quarter Moon is scheduled for October 28 at 12:21 P.M. EDT, presenting its terminator halfway across the visible lunar disk. During this lunar phase, observers can distinguish maria and ...

UPDATE 8/28/24: After pushing back the initial launch from Tuesday to Wednesday this week to check a helium leak in the launch system, SpaceX once again delayed Polaris Dawn’s launch, citing poor ...

Interstellar Comet 3I/ATLAS will reach perihelion, its closest approach to the Sun, on October 30, 2025, marking the climax of its brief, hyperbolic trajectory through our solar system before its ...

Light pollution reduction (LPR) filters function by selectively blocking specific wavelengths of light emitted by certain artificial sources, such as high-pressure sodium streetlights, which ...

Star formation begins with protostars in cold molecular clouds, where gravitational contraction precedes nuclear fusion, and their early evolutionary stages are best characterized through ...

On October 23, the Moon will pass 0.5° south of Antares, observable low in the southwest approximately 40 minutes after sunset, potentially revealing earthshine and Mare Crisium with binoculars.