A SpaceX Falcon 9 upper stage belched a massive cloud of lithium and other pollutants roughly 62 miles over Europe upon reentry.

Most people think a comet’s tail trails behind it like smoke from a rocket—but that’s not what actually happens. In reality, comet tails are pushed away from the Sun by radiation and solar wind, ...

On February 19, 2025, a SpaceX Falcon 9 booster fell back toward Earth, its fiery descent slicing across Europe's night sky.

Good news: Team shows re-entry pollution can be measured. Bad news: There may be more of it coming The SpaceX Falcon 9 rocket that burned up over Europe last year left a massive lithium plume in its ...

The study found that those aerosols could warm parts of the upper atmosphere by about 1.5 degrees Celsius within one or two ...

SpaceX rockets leave metal pollution in the atmosphere, new laser detection system reveals 10-fold lithium spike from Falcon ...

The recent study focuses on the amount of lithium left behind from a single rocket reentry. Previous studies have already shown that lithium, aluminum, copper, and lead left behind from the reentry of ...

The plaintiffs accuse operators of violating part of a January court order and call for a "reset of the case." ...

An organic molecule called methanimine was found scattered throughout a dense clump of gas and dust 554 light-years away.

Even in his 19th NBA season, Kevin Durant's pregame warmup features the same vigor displayed in games and sharpens a skill set few players have.

The Artemis II mission, which will return US astronauts to lunar space, has run into problems that have critics demanding NASA remove the crew from the flight for safety reasons. The bigger question ...

Artemis II mission was due to begin as early as next week and astronauts have spent almost two weeks in quarantine Nasa has postponed its historic mission to send astronauts around the moon and back ...