science-astronomy

David Levy is a respected astronomer, science communicator, and author best known for his discoveries of comets and impacts on planetary science. With decades of observational w...

At its most literal, a blood moon describes the Moon turning a vivid coppery red during a total lunar eclipse, when Earth comes directly between the Sun and the Moon and casts o...

Photos of the blue moon are best understood through clear definitions, realistic expectations, and reliable planning methods. A blue moon is the second full moon in a calendar m...

A solar eclipse happens when the Moon passes between Earth and the Sun, so it must occur during the daytime on the part of Earth where the Moon is visible. Unlike some sky event...

A total lunar eclipse occurs when the Moon passes fully into Earth’s umbra, turning deep red and briefly dimming as sunlight bends through our atmosphere. In 2025, two eclipse...

The next solar eclipse depends on where you are and which type of eclipse you mean, because there are several each year somewhere on Earth. For most places, the most relevant ev...

The major phases of the Moon describe its appearance from Earth as the Sun-Moon-Earth geometry changes over about 29.5 days. The cycle begins with New Moon, when the Moon is bet...

Whether tonight is a blue moon depends on which definition you use. In modern popular usage, a blue moon is the second full moon in a single calendar month, a rule popularized b...

An eclipse in the United States happens when the Moon passes between the Sun and Earth (solar) or Earth passes between the Sun and Moon (lunar), briefly altering light and shado...

The winter solstice is the moment when one of Earth’s poles reaches its maximum tilt away from the Sun, resulting in the shortest day and longest night of the year. In the Nor...

The phrase next great comet visible from Earth refers to a long-period comet that becomes bright enough to be seen with the naked light from most of the planet. Great comets are...

The next slim crescent will appear after New Moon when the Moon and Sun share the same ecliptic longitude. For a specific date and local visibility, the most reliable method is...

A Super Blood Wolf Moon is a rare total lunar eclipse that coincides with a supermoon, producing a full moon that appears larger, brighter, and colored deep red. The name combin...

The next solar eclipse in the United States occurs on October 14, 2024, with a major total solar eclipse following on April 8, 2024. Both events offer distinct viewing opportuni...

In short, there is no reliable scientific evidence that the new moon affects human behavior. A new moon occurs when the Moon is positioned between Earth and the Sun, producing m...

The zodiac is a circle of twelve 30-degree segments of the ecliptic, the Sun’s apparent path across the sky over a year. Astronomically, it is a coordinate system used to map...