science-astronomy

Comets in 2026 will offer a mix of long-period visitors from the distant Oort Cloud and a smaller number of short-period returns that can be anticipated years in advance. This o...

When a solar eclipse happens, who can see it depends on whether you stand in the Moon’s narrow path of totality, its wider path of partial eclipse, or outside the shadow entir...

In everyday usage, the full moon describes the lunar phase when the Moon and Sun share opposite ecliptic longitudes, making the near side fully illuminated from Earth’s perspe...

The short answer to what time the moon is blue is that the moon is not blue by time of day; instead, it can appear bluish under specific atmospheric conditions, such as when fin...

A full moon lunar eclipse occurs when the Sun, Earth, and Moon align so that Earth passes between the Sun and the Moon, casting Earth’s shadow onto the Moon. During a full moo...

Below are the expected full moons for 2026, including names, dates, and practical viewing notes. Full moon names come from cultural traditions, Indigenous calendars, and seasona...

A blood moon is the reddish appearance of the Moon during a total lunar eclipse, when Earth fully blocks direct sunlight and only refracted sunlight through Earth’s atmosphere...

Tonight’s sky shows depend on the time, your location, weather, and whether the Moon is up. To answer what the planets will look like tonight, start by noting which planets ar...

An app for stars and planets uses your device’s sensors, camera, and ephemeris data to match the pattern of lights you see to a catalog of known celestial objects, then labels...

An equinox occurs when the Sun crosses the celestial equator, making day and night nearly equal in length worldwide. It is not a time when daylight and darkness are exactly the...