Scanning the constellation Cepheus the King leads us to one of the sky’s largest emission nebulae — IC 1396. It measures a whopping 2.8° by 2.3°. But this region also contains dark nebulae and a ...

Comet C/2025 A6 (Lemmon) unexpectedly continued to brighten past its predicted peak on October 21, achieving an estimated 4th magnitude. Despite its brightness, increasing lunar illumination ...

Guidance is provided for observing the planet Mercury. Optimal viewing is specified as shortly after sunset, with Mercury positioned low in the western sky. Binoculars are recommended as an aid, ...

The Saturn I rocket, developed by Wernher von Braun's team since 1957, was designed to facilitate American lunar ambitions, integrating components and reusing hardware from existing missile ...

On October 25, Saturn's moon Iapetus reaches inferior conjunction, positioned 1.3′ north of Saturn and shining at approximately 11th magnitude, making it easier to observe near its parent planet.

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.

Astronomers have detected the first tidal disruption event (TDE), designated AT2024tvd, occurring 2,600 light-years outside its host galaxy's core, exhibiting intense, rapidly evolving radio signals.

The emerging subdiscipline of "astroimmunology" has been formalized, focusing on understanding how spaceflight stressors significantly compromise the human immune system. A new guide, published in ...

Interim NASA Administrator Sean Duffy announced the reopening of the Human Landing System (HLS) contract for the Artemis 3 lunar landing mission. This decision arises from concerns regarding SpaceX's ...

The SPAINSAT New Generation II satellite is scheduled for launch via a SpaceX Falcon 9 from Cape Canaveral on October 22, representing the second component of the SpainSAT NG program. Operated by ...