The ongoing pandemic has slowed testing for NASA's Space Launch System megarocket, but the process is resuming and has checked off a key milestone: powering up...
This year's ozone hole covers most of the Antarctic continent and is among the largest and deepest in recent years.
Astronomers in Hawaii have detected the Yarkovsky effect - a minuscule push imparted by sunlight - for asteroid Apophis. The effect is particularly important for...
NASA announced that its Perseverance rover mission - which will search for evidence of ancient microbial life on Mars - has now passed the halfway mark...
Wow! Nature photographers sometimes capture lightning sprites in Earth’s atmosphere. The illustration above is an artist’s concept of a lightning sprite in Jupiter’s atmosphere, based on...
Scientists with NASA's Juno mission say they have detected sprites or elves - electrical phenomena above thunderstorms on Earth - in the clouds of Jupiter for...
The last time CO2 concentrations reached today’s level was 3 million years ago, during the Pliocene Epoch. Hear from geoscientists who see evolving conditions in...
Earlier this month, Roger Penrose, Reinhard Genzel, and Andrea Ghez split the 2020 physics Nobel Prize for decades of work on black holes. Click here to...
The sun's second planet, Venus, as seen from the BepiColombo spacecraft as it passed on its way to the innermost planet, Mercury, earlier this month.
According to new research, the red supergiant star Betelgeuse - which began to dim dramatically in brightness in late 2019 - might not explode for another...