A navigation system glitch on NASA's MAVEN orbiter at Mars earlier this year has hobbled science.
NASA's Mars helicopter Ingenuity cruised above some tracks made by its robotic partner on its most recent flight, as footage captured by the rotorcraft shows.
Occasionally, Earth runs through a particularly narrow, dense clump of debris, resulting in a meteor storm.
A stunning time-lapse photograph showing the May 15 total lunar eclipse and aurora above the South Pole Telescope in Antarctica.
On this episode of This Week in Space, Rod Pyle and Tariq Malik look at NASA's plans to use new commercial vehicles to land astronauts on the moon.
Reference Sunspots are cooler, planet-size regions of strong magnetic fields on the surface of the sun. Explore sunspots in more detail with our comprehensive guide.