A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent ...

RR is a generator of syntax diagrams, also known as railroad diagrams. It is a self-contained tool with both a browser-based GUI and a batch mode. Besides generating diagrams from EBNF rules, RR also ...

Find out what's up in your night sky during April 2025 and how to see it in this Space.com stargazing guide. Looking for a telescope for the next night sky event? We recommend the Celestron ...

Once the most voluminous building in the world, the VAB was previously used to stack the Apollo-era Saturn V rocket and the space shuttles that flew for 30 years. The launch vehicle stage adapter ...

It’s been a busy week in space news, and very little of it was good. We’ll start with the one winner of the week, Firefly’s Blue Ghost Mission 1, which landed successfully on the Moon’s ...