Find out how atmospheric refraction flattens the Sun and Moon, shifts sunrise and sunset times, and creates the mysterious ...

Is Venus visible from Earth? Venus as seen with the naked eye, through binoculars, and through a telescope. To the unaided eye, Venus appears as a bright white point of light. Binoculars can reveal ...

A bright planet near the Moon — what a beautiful sight, easily visible to the naked eye! Want to know if Venus or Jupiter is close to the Moon tonight? Use the free Sky Tonight app! Featuring an ...

Every now and then, the media produces dozens of scary headlines about rocks from space headed towards Earth. But how likely is it that an asteroid will actually hit Earth in the near future? In this ...

Don’t let aurora season pass you by! Aurora activity may increase on October 19–20, 2026, giving skywatchers at high latitudes another reason to look up. Whether you hope to see the northern or ...

Comets, asteroids, and trans-Neptunian objects make up the small bodies of the Solar System, with dwarf planets placed in a separate category by the International Astronomical Union. Most asteroids ...

Antares, the “rival of Mars”, is a supergiant star that appears as a bright reddish dot to the naked eye. To easily find Antares in the sky from your exact location, use the free Star Walk 2 app. Read ...

Timing is everything in astronomy, and elongation is the key to catching the elusive planet Mercury. The planet reaches its next greatest elongation on November 20, so don’t miss the opportunity. Let ...

Wondering which planets you can see close together next? This guide covers the upcoming planetary conjunctions and close approaches, key dates, and what will be visible in the sky. Use the free Sky ...

On October 18, 1963, a French black-and-white cat Félicette became the first cat in space. She returned safely from her space mission, but her story didn’t end there. Here’s how she was selected, what ...

Don't get lost in the stars on Halloween night! Let Star Walk 2 guide you on your way. ©Vito Technology, Inc. On Halloween night, venture far from the city’s lights, into the dark, quiet countryside.

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, ...