Sputnik 2 was launched by the Soviets shortly after Sputnik 1, with its rapid preparation intended to sustain propaganda momentum and align with the 40th anniversary of the Bolshevik Revolution. This ...

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 ...

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 ...

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 ...

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 ...

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involving current interim administrator Sean Duffy and Jared Isaacman, whose prior nomination was unexpectedly withdrawn ...

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

Researchers simulated Martian permafrost and ice cap conditions in a laboratory, exposing *Escherichia coli* samples in pure water ice and water-sediment mixtures to cosmic radiation equivalent to 50 ...

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.

NASA's Interstellar Mapping and Acceleration Probe (IMAP) mission is scheduled for launch, deploying to the Sun-Earth L1 Lagrange point to map the heliosphere. IMAP will utilize ten scientific ...

The White House proposed a 24% budget cut to NASA for fiscal year 2026, a significant departure from historical precedent, with a 47% reduction specifically targeting science programs. Congress, ...

SpaceX's Starship rocket successfully completed its tenth test flight (Flight 10), achieving all major objectives including the deployment of a dummy Starlink satellite payload and critical heat ...