After surviving four rounds of proposed budget cuts, NASA's Nancy Grace Roman Space Telescope lifted off Sunday — ahead of ...

Neptune is at its best for the year, while Mars and Jupiter dominate the morning sky and Venus shines brightly after sunset.

The tilt of the Moon’s orbit and its changing orbital speed affect the time it takes for our satellite to rise from one day ...

Venus shines near the bright star Spica, with Mercury joining midmonth. Plus, view the two-part constellation Serpens.

Located in Capricornus, this compact, bright globular is a great target to try for during the moonless window tonight.

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 ...

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

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 ...

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 ...