Super-marine heatwaves - extremely strong periods of hot weather - played a role in 2023's record high sea temperatures according to research published in July.
Citizen scientists have discovered a solitary star speeding so fast that it will eventually escape the Milky Way's gravity and shoot into intergalactic space.
The Gaia mission has revealed hundreds of asteroids with possible moons. The info comes from precise measurements of orbits of more than 150,000 asteroids.
Researchers have found evidence in the layers of the seafloor of the Aegean Sea for a previously unknown massive volcanic eruption some 520,000 years ago.
The rover Curiosity found sulfur crystals in a Martian rock for the first time. Researchers say they shouldn't be there and are seeking an explanation.
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.