After an anxious 24 hours, bird watchers can relax: Monty, one half of Chicago’s beloved piping plover lovebird duo, has arrived at Montrose Beach Dunes, and been reunited with his mate, Rose.

Rose, one half of Chicago’s beloved piping plover duo, was spotted Sunday at Montrose Beach Dunes. The hope is that Monty, winging his way from Texas, won’t be far behind. 

The International Space Station’s population swelled to 11 on Saturday with the jubilant arrival of SpaceX’s third crew capsule in less than a year. It’s the biggest crowd up there in more than a decade.

Nearly 90% of Chicago’s parks are managed without the use of weed control chemicals. We’ve got tips for how to follow suit.

The repair, expected to take six weeks, will consist of piling 1,500 tons of rocks along the shoreline and building a concrete wall to guard against further erosion.

The Obama Foundation is sharing new details related to its landscape plan for the proposed Obama Presidential Center, which it says will “create a model of sustainability.”

For the first time, an international team of scientists has been able to successfully grow monkey embryos containing human cells, sparking fears of human-monkey hybrids. We go behind the headlines to understand the science.

The big reveal is still nearly a year away, but the city has shared teaser images of the work in progress on the Tiffany glass dome and decorative finishes in the Grand Army of the Republic Memorial Hall.

President Joe Biden convened leaders of the world’s most powerful countries on Thursday to try to spur global efforts against climate change.

After celebrations were scratched in 2020 due to the coronavirus pandemic, Earth Day is back in 2021 with in-person events designed to raise awareness of environmental issues.

At numerous natural areas across the forest preserve district, low-lying “spring ephemeral” plants are flowering in the kind of sunlight they haven’t enjoyed in decades, thanks to ecological restoration projects.

“Wild Color,” making its debut in October, will immerse visitors in all the colors of nature, while returning fan favorite “Biomechanics: The Machine Inside” will explore the engineering behind the bodies of humans and animals.

With temperatures expected to dip below freezing, gardeners who jumped the gun might want to consider covering tender vegetation, according to experts.

Friends of Illinois Nature Preserves was founded last year to increase support for and restoration of the state’s most precious lands, which boast more biodiversity than the Grand Canyon and are more endangered than the Great Barrier Reef.

NASA’s experimental helicopter Ingenuity rose into the thin air above the dusty red surface of Mars on Monday, achieving the first powered flight by an aircraft on another planet.

With its cherry trees finally in full bloom, thousands of people have been flocking to Jackson Park daily. But hurry, the breathtaking blossoms won’t last for long.