For decades, researchers believed Vesta was a protoplanet, not an asteroid. NASA's Dawn mission seemed to confirm that hypothesis, but new research casts doubt on it. (Image credit: NASA/JPL/MPS/DLR/IDA/Björn Jónsson) As the second-largest object in the main asteroid belt, Vesta…
The AI chatbot reportedly showered its users with compliments until OpenAI pulled its latest updates. (Image credit: Malte Müller via Getty Images) CEO Sam Altman said OpenAI rolled back updates to ChatGPT that made the artificial intelligence (AI) chatbot overly…
Cerro El Cono stands out for its unique cone-shaped formation and isolation from neighbouring mountains. (Image credit: Newscom/Alamy) Cerro El Cono is a 400-metre (1,310 ft) high pyramidal formation located in the Amazon rainforest. It rises sharply from the relatively…
A new study suggests that cuttlefish may “wave” their tentacles at each other to communicate. However, the work, which has not yet been peer-reviewed, does not specify what messages are being conveyed by the gesture. Communication between cuttlefish is complex…
The spacecraft, which was launched into orbit by the Soviet Union in 1972, is expected to enter Earth's atmosphere around May 10, and its exact landing location remains unknown. The Cosmos-482 mission was intended to send a spacecraft to Venus,…
POLG-related diseases are a diverse group of conditions, all caused by mutations in the gene for an important mitochondrial protein. The new molecule could be a promising treatment option. (Image credit: KATERYNA KON/SCIENCE PHOTO LIBRARY via Getty Images) Mitochondria, which…