Global climate change may affect the production of maize (corn) and wheat as early as 2030 according to a new NASA study published in the journal, Nature Food.
A new fossil discovery may be the oldest animal fossil on record. The 890-million-year-old sponge would push back the evolutionary timeline for animals.
Artificial intelligence sometimes discriminates by race and sex. Rights-based regulations are needed to ensure that AI will not exacerbate inequalities.
What is time, and why does it move forward? Cosmologist Thomas Kitching of University College London explains how the arrow of time points to the future.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.