Just as passengers don’t feel the plane’s speed while smoothly cruising, we don’t feel Earth’s movement because we’re ...

Newly discovered comet C/2025 R2 (SWAN) will soon be gracing our evening sky. Here's how to see it and what to expect.

Happy autumnal equinox! Now, you can finally say fall is here — Sunday was still summer. On Monday, the sun entered Libra, ...

The autumn equinox marks the start of autumn astronomically, but meteorologists mark the start of autumn on the first day of ...

Copernicus proved the Earth and other planets orbit the sun, challenging centuries of belief and risking persecution for sharing his heliocentric view.

Astronomers around the world have confirmed over 6,000 exoplanets, a milestone reached in September 2025. Billions more are waiting to be discovered.

SpaceX will launch NASA's ambitious IMAP mission and two other space weather probes early Tuesday morning (Sept. 23), and you ...

Read today's free daily Aries horoscope to see what's in store for you including predictions on love, romance, health, ...