Live Science

'If there is a space race, China's already winning it': NASA unlikely to bring Mars samples back to Earth before China does, experts say

"If there is a space race, China's already winning it, and could win it dramatically in the next few decades." ...
Aviation Week Network

Ispace Partners With ElevationSpace For Private Lunar Sample Return

Ispace of Japan has signed a memorandum of understanding (MOU) with ElevationSpace to develop a private lunar sample return ...
Ars Technica

NASA found intriguing rocks on Mars, so where does that leave Mars Sample Return?

NASA's interim administrator, Sean Duffy, was fired up on Wednesday when he joined a teleconference to talk about new scientific findings that concerned the potential for life to have once existed on ...
Space.com

Did NASA's Perseverance rover find evidence of ancient life on Mars? The plot thickens

"When we see features like this in sediment on Earth, these minerals are often the byproduct of microbial metabolisms that are consuming organic matter." Since February 2021, NASA's Perseverance rover ...
IEEE

Outage Probability, Performance, and Fairness Analysis of Space–Air–Ground Integrated Network (SAGIN): UAV Altitude and Position Angle

Abstract: The Space-Air-Ground integrated network (SAGIN) has gained significant attention due to the explosive growth in mobile data traffic. In this network, Unmanned Aerial Vehicles (UAVs) play a ...
IEEE

Safety Probability Estimation in Dimension Reduction Space for Model-Free Safe Reinforcement Learning of Robotics

Abstract: Reinforcement learning (RL) for robotics poses significant consideration of safety during training. However, a major challenge of safe reinforcement learning (SRL) methods is the curse of ...
Digital Photography Review

Sample gallery roundup: all our photos from this week

It's been a busy week here at DPReview, and we've published a variety of sample galleries. They range from photos from Google's latest smartphones to shots from Hasselblad's new 100MP medium format ...