Microgravity likely slows the pace at which food moves through the gut, explaining astronaut constipation and raising ...

Isar Aerospace attempts the second flight of its Spectrum rocket, ISRO targets an Earth-observation launch, and SpaceX keeps ...

A partial eclipse of the Moon occurs tonight, following August 12th’s total eclipse of the Sun. The deep lunar eclipse is visible across North and South America, Africa, and western Europe. The Moon ...

Earth’s sole satellite hangs with two outer planets in the morning sky, lighting up the constellation Pisces.

Two bright lights dominate the evening sky as the Moon passes the Pleiades and several deep-sky targets shine in the sky this ...

Bright planet Venus and stellar signpost Spica hang together in Virgo after sunset. They’ll remain close for the next few ...

This gorgeous and lesser-known double star in the constellation Lyra is easy to split and high up in the evening sky.

Virgin Galactic, which offers suborbital expeditions for paying customers, launched its first commercial mission in June 2023 ...

Asteroid 4 Vesta comes to a standstill against the background stars of Cetus the Whale, visible late tonight around midnight.

This dim star is nonetheless one of the most famous suns in our sky, possessing a huge proper motion as it skims through ...

Floating in the constellation Aquarius, the Helix Nebula is a bright, ring-shaped planetary nebula formed by a dying star.

M73 is a strange entry in the comet-hunter’s list: a small group of four stars forming a triangular shape in the sky.