Here’s what deep-space objects are, what optics you’ll need to see them and how to plan your observing. When you purchase ...

On Tuesday NASA administrator Jared Isaacman set an early September launch window for the Nancy Grace Roman Space Telescope—a ...

Scientists are grappling with a cosmic mystery: why does the Universe behave differently on massive scales compared to our ...

Look to the west shortly after sunset on April 17 to find Venus appearing as a bright evening star 15 degrees from the ...

NASA unveiled a new high-tech telescope Tuesday at the Goddard Space Flight Center. The agency said the telescope will ...

Space telescopes are revolutionizing exoplanet discovery, allowing astronomers to detect Earth-like worlds orbiting distant stars. By observing subtle dimming of starlight, measuring gravitational ...

Nasa is set to reveal billions of undiscovered galaxies, including a "treasure trove" of planets beyond our solar system. The ...

Astronomers are re-examining distant Kuiper Belt objects for signs of a massive, unseen planet far beyond Neptune. Recent ...

NASA astronaut Don Pettit has spent 590 days living in space, and even back on Earth, he continues to share breathtaking images from his time off the planet. Over the weekend, Pettit shared a ...

Mysterious blasts of radio waves from across the universe called fast radio bursts help astronomers catalog matter. ESO/M. Kornmesser, CC BY-SA Chris Impey, University of Arizona If you look across ...

Scientists map frozen water across the Milky Way, revealing vast “interstellar glaciers” that may help seed new planets and ...