The assertion that more is known about the Moon (or Mars) than the deep ocean lacks scientific basis; a significant portion (23.4%) of the seafloor has been mapped at high resolution, exceeding the ...

Early June evenings offer a brief window to observe a conjunction of Jupiter and Mercury, best viewed with binoculars due to their low altitude and proximity to the sunset. Mars is visible throughout ...

Apollo 13, intended as a science-focused lunar landing mission targeting the Fra Mauro Crater, was preceded by two successful lunar landings which had led to public complacency regarding the space ...

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 ...

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 ...

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 ...

The article discusses three main telescope types: refractors (best for bright objects, portable), reflectors (best for faint objects, larger apertures), and catadioptrics (compromise between aperture ...

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 ...

I wake up to a chime from my smartphone. Bleary-eyed, I check it — and jolt awake upon seeing an automated email from the MeerKAT radio telescope in South Africa. The subject line reads: “AT 2018xxx ...

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 ...

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 ...