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 ...

PBS's NOVA will present "Operation Space Station," a two-part special premiering November 5 and 12, documenting 25 years of continuous human habitation on the International Space Station (ISS) through ...

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involving current interim administrator Sean Duffy and Jared Isaacman, whose prior nomination was unexpectedly withdrawn ...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

Today is a busy day! Mercury passes 2° south of Mars at 2 A.M. EDT — we’ll observe the pair in the evening sky, along with a Titan transit of Saturn. But first, the Orionid meteor shower peaks as the ...

The Seestar S30 is introduced as a compact, all-in-one astroimaging system by ZWO, designed for capturing deep-sky objects through integrated optics, automated tracking, and a user-friendly software ...

Asteroid 2 Pallas, at 10th magnitude, exhibited a stationary position at 7:00 A.M. EDT within the constellation Aquila. Pallas's location was approximately 6.5° southeast of Altair, Aquila's brightest ...

On September 5th, the constellation Camelopardalis, containing Kemble's Cascade and NGC 1502, will be visible in the northern sky after 11 PM local daylight time. Uranus will become stationary on ...

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 ...

Mercury achieves greatest western elongation (19° from the Sun) at 6 A.M. EDT, exhibiting a magnitude of 0 and appearing 5° above the eastern horizon one hour before sunrise; its illumination is 42%, ...

Geological evidence, including an Ordovician-era increase in earthquakes, tsunamis, meteorites, and crater formation, suggests a significant celestial event approximately 466 million years ago. A ...