First, Russia has now joined the fray with the recent arrival of its own suspected inspector (or attack) satellite in GEO.

Using the James Webb Space Telescope, astronomers have mapped the "cosmic web" of galaxies, the largest structure in the ...

There are parts of the universe, and of the electromagnetic spectrum, that we’re not covering with our telescopes—but not as ...

New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a ...

Astrophotography can feel overwhelming, but the right techniques can transform blurry dots into breathtaking planetary portraits. From mastering focus and collimation to using filters, stacking, and ...

Telescope Advisor has named the Celestron AstroMaster 70AZ the Best Beginner Telescope for 2026 for its quick setup, stable mount, and clear planetary views. The 70mm refractor allows first‑time users ...

The presence of deuterium, an isotope of hydrogen, in 3I/ATLAS suggests the interstellar comet formed in a much colder place ...

Astronomers analyzed the vapors coming off the comet when it neared the sun and found it had a lot of "heavy" water. That hints it grew up in a frigid planetary system, possibly before its home star f ...

NASA unveiled a new telescope on Tuesday to scan vast swaths of the universe for planets outside our solar system and probe the mysteries of dark matter and dark energy. The Roman space telescope is ...

NASA unveiled its next-generation space observatory on Tuesday, the Nancy Grace Roman Space Telescope, now fully assembled ahead of its planned launch as early as this fall. Designed to study the ...

The telescope will be shipped to Florida for a launch aboard a SpaceX rocket as early as fall 2026. It is designed to work with the Webb and Hubble telescopes to observe the cosmos and solve the ...