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Known as planetary alignment, this rare event lets sky-gazers see six planets, including Neptune and Uranus, with a telescope ...

Data from NASA's Lunar Reconnaissance Orbiter suggests natural fluctuations in Moon temperatures rather than human-induced ...

Hubble captures supernova SN 2022aajn in Gemini, aiding research on cosmic distances and intergalactic dust effects.

The success of SpaceX and other private-sector space firms is throwing up hard questions about America's "great national ...

The 2025 US stamps offer up a lot of familiar faces, among them Betty White. We’ll always miss her.

Any clear winter night this month, look south between 8 and 10 p.m. to spot the large hourglass shape of Orion the Hunter. In ...

On May 20, 1990, the Hubble Space Telescope sent its first image to Earth. This photo turned out to be 50% sharper than ...

The Hubble Space Telescope has provided the most detailed survey of the Andromeda galaxy, revealing new clues about its ...

Early 2025 is a good time for skygazing and spotting up to seven planets in the night sky – if you have a little help.

A century after Edwin Hubble’s remarkable discovery, the space telescope bearing his name set out to photograph Andromeda in unprecedented detail ... The mosaic spans the full width of the galaxy, ...

Photographing the Andromeda Galaxy was a Herculean task that required ten years, around 1,000 orbits of the Hubble Space Telescope ... diameter of the full Moon in the night sky.