The Big Dipper, an asterism within the Ursa Major constellation, is readily observable from mid-to-high northern latitudes and its appearance varies throughout the year due to Earth's orbit and ...

Saturn's moon Iapetus reaches western elongation, attaining approximately 10th magnitude and appearing 10 arcminutes west of the primary. Saturn, with an apparent magnitude of 0.8, is observable ...

From December 13-18, various celestial events were observable, including a close passage of the Moon near Uranus and Jupiter, the peak of the Geminid meteor shower (though hampered by moonlight), and ...

November presents a dynamic celestial calendar, with Mercury transitioning from the evening to morning sky and Venus's visibility diminishing throughout the month. The gas giants Jupiter, Saturn, ...

SpaceX’s Starship program—responsible for developing the largest and most powerful rocket ever flown—continues to make history. On Sunday, Starship and the Super Heavy booster lifted off around 8:25 a ...

While most Western space enthusiasts remember the American Skylab space station, only some recall the long series of Soviet orbiting labs called the Salyut space stations. The last of these, Salyut 7, ...

On November 9, at 3 A.M. EST, the Moon will pass 4° due north of Jupiter, with both celestial bodies observable in Gemini during early morning hours. Jupiter, shining at magnitude –2.4, will be easily ...

Dwarf planet 1 Ceres, an eighth-magnitude object, is observed in close angular proximity to a fainter ninth-magnitude background star, located 6’ southwest of the background star. Ceres is positioned ...

A total solar eclipse, visible across parts of North America on April 8th, necessitates safe viewing practices due to the potential for solar retinopathy, permanent eye damage caused by excessive ...

The speed of light is a fundamental constant, approximately 299,792,458 meters per second. It's the same for all observers and hasn't changed measurably over billions of years. Nothing can travel ...

Human perception of time is an illusion constructed by the brain, based on memory and anticipation, limited to an experience of the "now" lasting approximately one second. This subjective experience ...

The origin of Earth's water is a long-standing scientific question, with differing isotopic ratios of deuterium to hydrogen (D/H) in Earth's oceans compared to the early solar system suggesting ...