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 ...

Asteroid 9 Metis reaches opposition at 10 A.M. EDT. It is in the constellation Aquarius and rises around sunset and sets around sunrise. However, with the bright, nearly Full Moon still nearby this ...

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

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

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

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 ...

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

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

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