Weekends on the Space Station

NASA astronaut Jessica Meir trims the hair of fellow NASA astronaut Jack Hathaway in this March 1, 2026, image. Meir uses an electric razor attached to a vacuum that collects loose clippings to keep the station’s atmosphere clean in microgravity. Crew on the...

Weekends on the Space Station

NASA astronaut Jessica Meir trims the hair of fellow NASA astronaut Jack Hathaway in this March 1, 2026, image. Meir uses an electric razor attached to a vacuum that collects loose clippings to keep the station’s atmosphere clean in microgravity. Crew on the...
Tidal Tales

Tidal Tales

Explore This Section Gravity tends to sculpt galaxies into symmetrical shapes. But interactions with other galaxies can distort these shapes. As galaxies approach each other, their gravity pulls on each other’s stars, planets, gases, and dark matter in much the same...