The Sun has unleashed two eruptions that could disturb Earth's magnetic field and bring auroras to parts of the world. Here's ...

A study in Nature finds plants have been absorbing 31 percent more carbon dioxide from the atmosphere than previously assumed ...

A look at how 5,000 facts may help explain the universe.

Life beyond Earth's atmosphere demands extreme physical, biological, and psychological adaptations that rarely make the ...

Science has solved extraordinary problems, yet some long-standing questions remain unsettled even with modern tools and technology.

Four astronauts returned to Earth from the International Space Station on Thursday after hurrying there eight months ago to ...

Four people — two NASA astronauts, one from the European Space Agency and a Russian cosmonaut — spent nearly eight months at ...

The Earth-based Rubin Observatory and Nancy Grace Roman Space Telescope launched this year, both figuratively and literally. The Rubin Observatory in Chile began observing on this past June and the ...

If you think about leap years, it may seem like humans have a very odd way of measuring time. Sometimes, timekeepers even have to add extra seconds to clocks.

The idea that Earth is flat has been disproven by centuries of observation and modern measurement, yet some people still ...