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The next solar eclipse will be on Sept. 21, 2025.

SpaceX launched its 119th Falcon 9 mission of the year today (Sept. 21), sending 28 of its Starlink internet satellites to orbit from Florida's Space Coast.

NASA will announce its new astronaut class on Monday (Sept. 22) and discuss its upcoming Artemis 2 moon mission on Tuesday and Wednesday (Sept. 23 and Sept. 24). Here's how to watch the events live.

On Sept. 21, 2003, NASA's Galileo mission to Jupiter and its moons came to an end.

From original content to additional features, here's our ranking of the best value streaming services for Sci-Fi fans looking to get the most for their money.

Asteroid 2024 PT5 is considered Earth's mini-moon and may be a key target for potential asteroid mining operations.

September's new moon occurs on Sept. 21 and will partially eclipse the sun for skywatchers in the southern Pacific Ocean and Antarctica.

The 'equinox eclipse' will bring up to 86% coverage across New Zealand, Antarctica and parts of the South Pacific.

A spectacular partial solar eclipse will be visible across a swathe of the southern hemisphere this week.

Here's what you need to know to make the most of the partial solar eclipse on Sept. 21, as the moon takes a 'bite' out of the sun.