An exclusive tour, "2027 Pharaoh’s Shadow" by Eclipse Traveler, has been introduced to facilitate observation of the 2027 total solar eclipse following the oversubscription of a prior offering. The ...

The interstellar object 3I/ATLAS, confirmed by its hyperbolic trajectory, marks the first detection of hydroxyl gas (OH) from a visitor originating outside our solar system, indicating the presence of ...

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 ...

Comet C/2025 A6 (Lemmon) is currently observable at magnitude 5.7 in the predawn sky within Canes Venatici, positioned approximately 1.5° southeast of Chara, with its closest approach to Earth and ...

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 ...

Apollo 7, crewed by Walter Schirra Jr., Donn Eisele, and Walter Cunningham, represented the first manned American spaceflight 21 months after the Apollo 1 fatal accident. Launching on October 11, 1968 ...

An observational event is described, featuring the Moon in close angular proximity to Jupiter. This celestial alignment is scheduled for the early morning of October 14, with Jupiter positioned in the ...

The article outlines a seven-day expedition, scheduled from July 27 to August 2, 2027, that integrates the exploration of ancient Egyptian historical sites with the observation of a total solar ...

Charles Messier first cataloged M51 on October 13, 1773, describing it as a "very faint nebula without any stars" and making it the 51st entry in his catalog. In 1781, Pierre Mechain observed M51 to ...

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, ...

NASA announced Wednesday that its Perseverance rover discovered what scientists are calling a “potential biosignature” in a rock on Mars last year. This signature, which may have a biological origin ...

Ejnar Hertzsprung (b. 1873) initially trained as a chemical engineer before commencing his significant astronomical work in 1901. He independently identified the distinct dwarf and giant stellar ...