Gravitational assists are an emblematic example of why space travel is hard —it is exactly rocket science, after all. Gravity ...

Gaia, Europe’s Milky Way–mapping spacecraft, shut down earlier this year. It was arguably the most important—and most ...

Taken together, the findings mean that bag bans and fees aren’t a plastic panacea but do matter. “These plastic bag policies ...

SpaceX is still looking into what happened on Flight 9, an investigation overseen by the U.S. Federal Aviation Administration ...

Researchers bring a SETI approach to the question of what—if anything—humpbacks’ underwater smoke rings might be trying to ...

Screwworm parasites primarily infect livestock, but human cases have risen in Central America after the pests escaped ...