In 2025, two major developments sparked widespread public interest in the possibility of extraterrestrial life. The first involved the exoplanet K2-18b, located in the constellation Leo, which is about 124 light-years from Earth. Researchers detected possible traces of molecules such as dimethyl sulfide and dimethyl disulfide in its atmosphere. These molecules are commonly linked to biological activity on Earth, such as the presence of algae or bacteria. The second development came from NASA, which reported that a Martian rock sample named "Cheyava Falls" showed signs of a potential biosignature known as "leopard spots." These are small, dark, circular features often found in Earth rocks and are sometimes created by microbial life. A survey of over 300 astrobiologists—scientists who study the origins and distribution of life in the universe—conducted after these announcements revealed a cautious approach among experts. Only 6.6% of the surveyed scientists believed the K2-18b findings likely indicated extraterrestrial life, while nearly two-thirds disagreed, and 28% remained neutral. In the case of the Martian rock, 15.1% thought it might be evidence of life, with 44.6% disagreeing and 40.3% staying neutral. The survey also showed a noticeable shift in opinion, particularly regarding the Martian rock. While 35.1% of astrobiologists strongly disagreed with the K2-18b findings, only 11.1% strongly disagreed with the Martian case. This suggests that the evidence from Mars was viewed as more plausible, though still not conclusive, possibly because it involved a physical sample that could be examined in detail, unlike the distant exoplanet. The differing types of evidence may explain the varied responses. The K2-18b findings relied on detecting atmospheric molecules from a great distance, which can be ambiguous. In contrast, the Martian rock provided a tangible sample that could be studied more closely. However, scientists are aware that some features that resemble life can form through non-biological processes, making it difficult to determine the true origin of such signs. The survey highlights the range of scientific opinions on such topics, from strong agreement to strong disagreement. A high number of neutral responses often indicates that the evidence is not yet clear or that the claims are too speculative to be fully supported or refuted. The study also underscores the need for systematic ways to track and understand scientific opinion, especially in areas like astrobiology, where new evidence often brings both excitement and uncertainty.