On the evening of February 28, 2026, skywatchers will be treated to a rare spectacle as at least six planets become visible shortly after sunset.

Mercury, Venus, Jupiter, Saturn, Uranus, and Neptune will be visible after sunset on February 28. Find out how to watch this rare event.

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The Instituto Superior Técnico (IST) conducted its first hypersonic test, in which the speed reached is equivalent to "crossing mainland Portugal, from north to south, in just over five minutes," the ...

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LISBON, Jan. 22 (Xinhua) -- Portugal has carried out its first hypersonic test under real conditions, marking the country's entry into experimental research on extreme high-speed flows, the Instituto ...

According to information shared by NASA, on February 28, 'Mercury, Venus, Neptune, Saturn, Uranus, and Jupiter will appear shortly after sunset.' Uranus and Neptune will likely require visual aids to ...

2026 has started off with bright flashes of light in the sky — fireballs, a surprisingly common phenomenon that is often a ...

A tour of the Galileo Museum invites a reflection on the scientist from Pisa, who went on to transform humanity's conception ...

A NASA astronaut on the ISS captured the Space Launch System rocket for Artemis 2, a mission that aims to bring four ...

On February 28, 2026, six planets will be visible in a rare alignment after sunset. This celestial spectacle can be observed with minimal equipment under clear conditions.