science-astronomy

The full moon in July 2019 was widely recognized as the Buck Moon, reaching peak fullness on the evening of Thursday, July 16, 2019, at 18:38 UTC (2:38 PM EDT). For observers ac...

Earth is the third planet from the Sun in the inner Solar System, orbiting roughly 150 million kilometers (93 million miles) from the Sun in the Local Interstellar Cloud of the...

Apps that show planets in the night sky combine your device’s location, time, and sensors to label stars, moons, and planets in real time. In most cases, accuracy depends on c...

Stargazing online lets anyone explore the night sky from home through live streams, virtual telescopes, planetarium apps, and curated databases. Whether you live in a city with...

Choosing the best star map requires understanding how modern planetarium apps and sky charts represent the night sky with high accuracy. This guide compares leading digital star...

A new moon occurs when the Moon and Sun share the same ecliptic longitude, rendering the Moon invisible from Earth because its illuminated hemisphere faces away from us. The 201...

The 2018 winter solstice was the astronomical moment when the Northern Hemisphere reached its maximum tilt away from the Sun, marking the shortest day and longest night of the y...

A star registry lookup lets you search a commercial star registry to see whether a name, number, or catalog ID has been recorded and, if so, what certificate details, product op...

An opposition occurs when a planet is opposite the Sun in Earth’s sky, meaning the Sun sets as the planet rises. During a Saturn opposition, Earth lies roughly between the Sun...

The full moon in February 2019 occurred on Saturday, February 19, 2019, at 10:53 UTC (11:53 a.m. CET). This Full Snow Moon rose around sunset and was visible in most populated r...