Solar geoengineering strategies are very controversial within and beyond the climate science community.
Two giant radio galaxies have been discovered with South Africa’s powerful MeerKAT telescope, located in the Karoo region, a semi-arid area in the south west of the country.
Perseverance's laser hasn't yet penetrated the mystery of a strange Martian rock near the rover's new digs.
More than a year into a pandemic that has killed nearly 3 million people worldwide, NASA estimates that COVID-19 will cost the agency perhaps as much as $3 billion.
Mangroves play a crucial role in the ecosystem thanks to the dizzying array of plants, animals and birds they feed, house and protect.
NASA's Juno spacecraft has detected new auroral emissions on Jupiter which appear to ripple over the planet's poles.
Water is essential to life as we know it and it seems completely normal to have water all around us.
The Sun is the most important source of energy for sustaining life on Earth, but it gives us a lot more than just light and heat.
China's Tianwen-1 spacecraft has captured stunning images of Mars as a bright red sunlit crescent in deep space.
NASA's Mars rover Curiosity posed for a selfie in front of a beautiful Martian rock outcrop called "Mont Mercou" after probing the area for clues about the Red Planet's past.
Astronomers have searched the entire Milky Way to identify the safest places to live. It turns out, we're in a pretty good spot.
Mass extinctions are times in Earth’s past when large proportions of life suddenly and catastrophically died.
A severe thunderstorm cloud that formed over the Pacific Ocean in 2018 reached the coldest temperatures ever recorded.
Looking at the scientific information gleaned from lifeless worlds could help in the search for life, one astrobiologist says.
The first known interstellar comet to visit our solar system may be the most pristine ever found, never passing near a star until visiting our own, researchers say.
A rare fireball meteor bright enough to be seen during the day triggered a massive sonic boom over parts of the UK and France.