The Canadian-built device called MOPITT – which stands for Measurement of Pollution in the Troposphere – was launched in 1999 ...

Canyon de Chelly is one of the most impressive places in the Southwest. Its vertical canyon walls tower 1,000 feet high as the Rio de Chelly winds through its ancient walls.

For decades, scientists have known that ordinary matter — everything made of atoms — accounts for just 15% of the universe’s ...

Several of the environmental benefits Americans experience today -- clean air, clean water, clean rain -- could soon be in jeopardy from EPA deregulation efforts.

Scientists at NASA recommend that you view a meteor shower from a very dark area, far away from city lights. Allow your eyes ...

Lauren Sánchez's next space trip aboard Jeff Bezos' $2.5 billion rocket with Katy Perry and Gayle King might also double as the most iconic and expensive bachelorette trip of all time. The glamorous ...

Currently on view at the Columbus Museum of Art (CMA) are sculptures and paintings in “Louise Nevelson: Dawn to Dusk,” ...

The Ledges Trail offers that perfect blend of “I’m communing with nature” and “I won’t need a shower and three ibuprofen ...

The pad, behind a mountain, was out of view ... with the satellite inside had broken off and plunged to the ground moments earlier. The diary continues: “It arced toward the earth and I thought ...

In a memorable image from the 1977 film "Star Wars," the young hero Luke Skywalker gazes at two suns setting above the horizon on his desert planet Tatooine. Astronomers since then indeed have ...

The Town Park provides a perfect home base for families with younger children. Its playground, swimming pool, fishing pond, and open spaces allow kids to burn energy while parents enjoy mountain views ...

NOAA satellite images reveal major flooding across key waterways after days of relentless rain in the Midwest and South.