Comet 3I/ATLAS, only the third known visitor from beyond our Solar System, has been brightening far more rapidly than expected as it approaches perihelion, its closest point to the Sun.

A massive comet known as 3I/ATLAS that was first discovered zooming across the solar system over the summer showed signs of ...

SpaceX Sunday said it is stepping up its efforts to develop a simplified Human Landing System for NASA as it pursues a plan to return to the moon.

An interstellar comet that originated outside our solar system just made its closest pass of the sun, setting it on an outgoing path — but it’s not leaving our cosmic ...

The Japanese Aerospace Exploration Agency lost contact with a probe orbiting Venus last year and officially calls it quits on the mission.

Is it a full moon tonight? November beaver full moon will shine for days as the biggest supermoon of 2025. Here's when to watch and what it means.

Skywatchers in Northeast Ohio and beyond will be treated to the year's largest and brightest full moon on Nov. 5.

A spectacular supermoon will dazzle skywatchers this November, its closest point to Earth this year, followed by another in December.

Since the first crew of astronauts reached the International Space Station on Nov. 2, 2000, humanity has had a continuous presence among the stars.

I/ATLAS has captured the attention of space enthusiasts and researchers with its unusual features. The interstellar object is ...

"With upgraded payloads, GSAT-7R or CMS-03 is designed to expand secure, multi-band communications for the Navy’s growing ...

"Haven Demo will test critical systems for Haven-1, including propulsion, flight computers and navigation software." ...