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 ...

The week features the observation of transient celestial events, including a recently identified supernova candidate (AT 2025yyn) in Ursa Major and Comet C/2025 A6 Lemmon, which is nearing naked-eye ...

The Moon reaches apogee, the farthest point from Earth in its orbit, at 5:46 A.M. EDT. At that time, our satellite will stand 251,996 miles (405,548 km) away. With the Moon sinking low in the hours ...

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 ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...

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 ...

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 ...

Supernova SN 2023zkd, located 730 million light-years from Earth, was identified as anomalous by the Light curve Anomaly Identification and Similarity Search (LAISS) AI algorithm. SN 2023zkd exhibited ...

August 2025 offers several planetary conjunctions, including a close approach of Venus and Jupiter on August 12th, and a second conjunction of Saturn and Neptune on August 6th, with a third occurring ...

The universe is about 13.8 billion years old. Venus is the hottest planet due to a runaway greenhouse effect. Elliptical galaxies are the most common type. Stars produce energy through nuclear fusion.

Sean Duffy is NASA's new interim administrator. Duffy lacks prior space policy experience. NASA faces potential large budget cuts. Duffy will likely prioritize the President's space agenda. Key ...

3I/ATLAS is an interstellar object, originating outside our solar system. It's traveling much faster than previously observed interstellar objects. Scientists believe it may have formed in a different ...