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 ...

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 ...

David Eicher is one of the most widely recognized astronomy enthusiasts in the world. He has been with Astronomy magazine for 36 years, beginning as an assistant editor and working through associate, ...

At least two ingredients are needed to make jets — rotation and magnetic fields — and these produce the ubiquitous laserlike jets we see.

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 ...

A Full Moon occurs when the Earth is between the Sun and the Moon. The Moon's orbit creates different phases, including a Full Moon. Full Moons have traditional names, like the Sturgeon Moon. The 2025 ...

The aurora borealis, or Northern Lights, is caused by solar wind particles colliding with Earth's atmosphere. Ancient Chinese texts describe a five-colored aurora event dating back to around 977 or ...

During its initial molten phase, the Moon experienced tidal bulges on its near and far sides due to Earth's immense gravitational pull. The Moon's rotation initially carried these gravitationally ...

The universe's geometry can be classified as flat, closed (positive curvature), or open (negative curvature), determined by its density and expansion rate. Current cosmological models, primarily the ...

Asteroid 2019 LF6, a newly discovered Atira asteroid, has an orbit entirely contained within Earth's orbit, a characteristic of this rare class of near-Earth objects. The discovery of 2019 LF6 is ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...

Stonehenge has always been shrouded in mystery. The ancient monument and burial site in southern England has been around for more than 5,000 years — but its purpose isn’t completely clear. Researchers ...