Looking for what to see in the sky this week? This guide highlights the upcoming astronomical events. Scroll down for sky maps and viewing tips, and use the Sky Tonight app to check when and where ...
Don’t let aurora season pass you by! The equinox is approaching, bringing one of the year’s best periods for auroral activity. Whether you hope to see the northern or southern lights, this guide will ...
Mercury is the smallest planet and it's packed with extremes: 88-day years, 176-day solar days, wild temperature swings, and even a comet-like tail. In this guide, you’ll find the most interesting ...
What does opposition mean in astronomy? Astronomical opposition means that a planet appears directly opposite the Sun in the sky as seen from Earth. From our perspective, this corresponds to a planet ...
The next Astronomy Day is Saturday, September 19, 2026 — and this year, it shares the date with International Observe the Moon Night. That gives you two reasons to look up! Start with the Moon, find a ...
Looking for upcoming eclipses and the next eclipse date? The next eclipse is on February 6, 2027 — an annular solar eclipse (also known as the “Ring of Fire”). This page shows the eclipse schedule as ...
La segunda fase del ciclo lunar; ocurre entre la Luna Nueva y el primer cuarto de Luna. Las fases crecientes representan a la Luna volviéndose más iluminada, así que al inicio de esta fase, la Luna ...
Se quiser ter um Calendário Lunar completo no seu bolso, descarregue a aplicação gratuita Sky Tonight. Informará a fase da Lua de hoje, horas exatas do nascer e do pôr da lua para a sua localização, ...
What stages of life do stars go through? Watch the birth of stars in “stellar nurseries” and their transformation into red giants and supergiants. Find out what causes supernovae, how black holes form ...
When we talk about animals in space, the first names that usually come to mind are Belka and Strelka, the brave dogs who traveled beyond our planet. But there's another remarkable space traveler who ...
The Winter Hexagon – also known as the Winter Circle, Great Hexagon, and the Winter Football – is a large asterism, not a constellation. The stars in the Winter Hexagon are parts of six different ...
On February 17, 2026, the Moon will slide in front of the Sun, creating the “ring of fire” solar eclipse. But astronomy isn’t for the weak — to see it in person, you’ll need to head to Antarctica and ...
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