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 ...

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.

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

China is preparing for the Shenzhou-21 crewed mission, targeting the Tiangong space station. The mission's launch, utilizing a Long March-2F carrier rocket from the Jiuquan Satellite Launch Center, is ...

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.

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.

Comet Tsuchinshan-ATLAS has not disappointed — and we have the pictures now to prove it. The comet, formally known as C/2023 A3, was first discovered in January 2023 by Purple Mountain Observatory in ...

Jupiter will be observable in Gemini, passing 7° south of Pollux at 11 A.M. EDT, with a visual magnitude of –2.2. The prominent stars Pollux and Castor are described, with Pollux noted as a magnitude ...

All the black holes that astronomers have seen fall into one of three categories: stellar-mass black holes, intermediate-mass black holes, and supermassive black holes. Each is more massive than our ...

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 Pleiades (M45), a 100-million-year-old open cluster containing approximately 500 stars located 380 light-years from Earth, is observable high in the east by 10 P.M. local daylight time.

New research has identified 41 small-scale landslides on the lunar surface that formed since 2009, indicating the Moon is more geologically active than previously understood. Analysis of ...