Could astronauts travel to Mars on nuclear-powered rockets? These scientists want to make it happen

The recent sightings of 'Old Thom,' an orca traveling alone in the North Atlantic, have captured public interest and puzzled scientists. This unusual behavior raises questions about orca social structures and migration patterns, making it a significant topic for marine biology research. Understanding why Old Thom is alone could provide insights into the health of marine ecosystems and the challenges faced by these majestic creatures.

The Hubble Space Telescope has made an exciting discovery by observing a dying white dwarf star consuming the remnants of an icy world similar to Pluto. This unexpected finding sheds light on the complex processes that occur in the universe as stars reach the end of their life cycles. It highlights the importance of ongoing astronomical research and the potential for uncovering more about the fate of celestial bodies.

A new study highlights the potential threat of the 'city killer' asteroid 2024 YR4, which could collide with the moon in 2032. Scientists are exploring the feasibility of using nuclear weapons to destroy the asteroid before it approaches. This research is crucial as it emphasizes the need for proactive measures to protect celestial bodies and, by extension, Earth from potential disasters.

NASA's recent tests of laser beam communication technology have successfully demonstrated a new way to maintain contact with spacecraft and astronauts in deep space, including future missions to Mars. This advancement is significant as it could enhance communication capabilities for long-duration space missions, ensuring that astronauts remain connected even when far from Earth.

Tonight, skywatchers are in for a treat as the crescent moon makes a brief appearance alongside Mars at sunset on September 24. This celestial event is a wonderful opportunity for stargazers and casual observers alike to witness the beauty of our night sky, reminding us of the wonders of astronomy and the connections we share with the universe.

Recent advancements in RSV immunization mark a significant breakthrough after decades of setbacks, including a tragic vaccine trial in the 1960s. Scientists have finally developed effective antibodies to protect the most vulnerable populations, particularly infants and the elderly. This progress is crucial as RSV can lead to severe respiratory issues, and these new developments could save countless lives and improve public health outcomes.

After decades of challenges and setbacks, scientists are finally approaching a breakthrough in developing a vaccine for RSV, a virus that poses significant risks to children. This progress is crucial as it could lead to better health outcomes for young patients and potentially save countless lives. The journey has been long and fraught with difficulties, but the nearing finish line offers hope for families and healthcare providers alike.

Tylenol is a widely used pain reliever that is considered safe when taken as directed, according to research. However, scientists are still trying to understand the exact mechanisms behind its effectiveness in reducing pain and fever. This ongoing mystery highlights the complexities of how common medications work, reminding us that even familiar drugs can hold secrets that challenge our understanding of medicine.

NASA has selected 10 new astronaut candidates, including six women, marking a significant step towards future missions to the Moon and Mars. This diverse group will undergo two years of rigorous training, preparing them for potential journeys to low-Earth orbit and beyond. This selection not only highlights NASA's commitment to inclusivity but also emphasizes the agency's focus on expanding human exploration in space, which is crucial for scientific advancement and inspiring future generations.

NASA has announced its 2025 astronaut class, introducing ten new members who could potentially be among the first to explore Mars. This is an exciting development for space exploration, as these astronauts will play a crucial role in upcoming missions to the moon and beyond, marking a significant step in humanity's journey into the cosmos.

Rocket Lab's CEO Peter Beck is setting ambitious goals for the future of space exploration, with plans to bring NASA's Perseverance rover samples back from Mars. This initiative not only highlights Rocket Lab's growing capabilities in the aerospace sector but also emphasizes the importance of collaboration in advancing our understanding of the universe. As space missions become more frequent, the potential for groundbreaking discoveries increases, making this a significant step for both Rocket Lab and NASA.

Today, ULA is set to launch 27 of Amazon's Project Kuiper broadband satellites into orbit, and you can catch the live action. This launch is significant as it marks a step forward in expanding internet access through satellite technology, which could greatly benefit underserved areas.

Recent tensions have arisen as US officials blame Canada for the wildfire smoke affecting air quality in the United States. However, climate experts argue that the situation is more complex than simply pointing fingers. This discussion highlights the interconnectedness of climate issues and the need for collaborative solutions, rather than assigning blame.

Recent data reveals that England's Environment Agency has failed to adequately monitor serious pollution incidents, raising concerns about environmental protection and public health. This oversight is alarming as it highlights the agency's struggles in fulfilling its responsibilities, potentially allowing harmful pollutants to go unchecked. The implications of this failure could affect ecosystems and communities, making it a critical issue that demands immediate attention.

The marbled murrelet, a small seabird that nests high in the redwood canopy, is increasingly threatened by both new and ongoing dangers. This situation is concerning not only for the species itself but also for the broader ecosystem, as the health of these birds can indicate the overall well-being of their forest habitat. Protecting the marbled murrelet is crucial for maintaining biodiversity and ensuring the survival of this unique seabird.

Exciting advancements in carbon-capture-and-storage technology are paving the way for a breakthrough in the cement industry, which has long been a significant source of emissions. This development is crucial as it addresses one of the toughest challenges in combating climate change, potentially leading to a more sustainable future for construction and reducing our carbon footprint.

A new theory of in-flight turbulence has been developed by physicists, addressing a long-standing issue that has troubled airline passengers. Richard P. Feynman, a renowned Nobel Prize-winning physicist, famously referred to turbulence as 'the most important unsolved problem of classical physics.' This new model not only aims to enhance passenger comfort but also contributes to the broader understanding of turbulence in physics, making air travel safer and more enjoyable.