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 ...

Systematic observation logging, a historical cornerstone of astronomical discovery from figures like Galileo and Herschel, continues to be a relevant practice for contemporary observers. Maintaining ...

Use the Big Dipper to locate Polaris, the North Star. Orion's belt helps find other bright stars like Sirius. Follow the Big Dipper's handle to find Arcturus and Spica. The Summer Triangle is formed ...

A recent study proposes that future Mars missions should prioritize searching for microbial life or its preserved remains within the planet's ice, rather than in its rocks, clay, or soil. Researchers ...

The world’s best-selling astronomy magazine offers you the most exciting, visually stunning, and timely coverage of the heavens above. Each issue includes expert science reporting, vivid color ...

Telescopes primarily collect light to see faint objects. Most beginner telescopes are sold complete, ready to use. Larger telescopes gather more light, allowing observation of fainter objects.

The Local Group, containing approximately 85 gravitationally bound galaxies within ~10 million light-years, offers a unique opportunity to study galaxy evolution in detail, including interactions ...

Comet C/2025 A6 (Lemmon) is currently visible in both morning and evening skies, initially located near the Big Dipper within Canes Venatici before transitioning into Boötes. Its perigee, the closest ...

The universe began with an unimaginably hot, dense state. Inflation rapidly expanded the universe's size. Before inflation, the universe existed in a period called the GUT era where forces were ...

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 ...

Apollo mission lunar samples provided crucial data, initially intended to test existing Moon formation theories (capture, co-formation, fission), but ultimately leading to the development of the Giant ...

Black holes are regions of spacetime with gravity so strong that nothing escapes. Black holes grow by consuming nearby matter, slowing their eventual evaporation. Hawking radiation causes black holes ...