October's evening sky features prominently visible Venus (-3.9 magnitude) and less visible Mercury (-0.4 magnitude), with Mercury's visibility challenged by its low altitude near the western horizon.

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 ...

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 ...

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 ...

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involving current interim administrator Sean Duffy and Jared Isaacman, whose prior nomination was unexpectedly withdrawn ...

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 ...

Under the leadership of George Ellery Hale, the 100-inch mirror for Mount Wilson Observatory's telescope was ordered in 1906, with funding provided sequentially by businessman John Hooker and then ...

(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 Earth's movement is primarily directed towards the star Lambda Herculis at an approximate speed of 45,000 mph (72,000 km/h). This velocity, while significant, would require approximately 5.5 ...

The article clarifies that fictional portrayals of asteroid fields, such as those depicting densely packed objects, are vastly overstated and do not reflect the true nature of the solar system's main ...