The payload Russia's military chose to launch on the Angara A5 is unusual. The rocket deployed its primary passenger, Kosmos ...

The U.S. is hacking away at support for state-of-the-art forecasting.

In a landmark moment for modern astronomy, the Vera C. Rubin Observatory has unveiled its first-ever test images, and they’re ...

These stunning, prize-winning images of nature seen from above reveal a new perspective of our planet’s landscapes, oceans ...

Tony Tyson’s cameras revealed the universe’s dark contents. Now, with the Rubin Observatory’s 3.2-billion-pixel camera, he’s ...

The collapse of the world’s second-largest ice sheet would drown cities worldwide. Is that ice more vulnerable than we know?

Israel and Iran launched a new round of attacks as the conflict between the two heavily armed rivals enters its fifth day.

It's excellent for deep cleaning carpets and hard floors, and the detachable pod makes it easy to clean hard-to-reach areas ...

It would be disproportionate and a “waste of a high quality, valuable resource” to force the owner of a new office building ...

Iranian Foreign Minister Abbas Araghchi is meeting in Geneva with his counterparts from Britain, France, Germany and the E.U.

Armed with the world's largest digital camera, the Vera C. Rubin Observatory in Chile will take night-sky images that revolutionize astronomy.

Editor's Note: "Strange sightings in Lewis County" is an ongoing series by Chronicle reporter Owen Sexton focused on the unexplained. With World UFO Day having just passed on July 2, a recent report ...