céu noturno

Science and Technology

Elon Musk could compromise night sky observation with a $2.4 trillion plan that envisions more than 1 million satellites; simulation indicates up to 14,072 visible objects in São Paulo, and astronomers issue a worrying warning.

Alisson Ficher 17/06/2026 at 18:30

Science and Technology

Stars display different colors in the sky and science explains why.

Andriely Medeiros de Araújo 15/06/2026 at 21:21

Science and Technology

Northern Hemisphere sky begins to display rare, luminous, and almost space-like noctilucent clouds, as photographers capture mysterious glow after sunset.

Viviane Alves 06/06/2026 at 11:02

Interesting facts

Part of Brazil will be able to see this Sunday the Moon hide Antares, a supergiant star 883 times larger than the Sun, in a rare occultation visible throughout the Southern Region and areas of SP, RJ, MS, and southern Minas during the night and early morning.

Carla Teles 02/05/2026 at 19:09

Interesting facts

It passed by Earth 170,000 years ago when our ancestors lived in caves and has now returned — a rare comet is visible to the naked eye in the sky this April and may never return again…

Douglas Avila 18/04/2026 at 07:06

Science and Technology

Rare February Planetary Alignment Features Six Visible Planets in the Sky After Sunset, Catching the Attention of Observers by Highlighting an Uncommon Configuration of the Solar System

Caio Aviz 09/02/2026 at 10:37