What Happened to Earth’s Ancient Craters? Scientists Seek Clues on the Moon’s Pocked Surface

Jan 17

The pace of space rocks pummeling Earth and the moon was relatively infrequent, but then doubled or tripled for unknown reasons, a new study finds.

What Happened to Earth’s Ancient Craters? Scientists Seek Clues on the Moon’s Pocked Surface

Jan 17

The pace of space rocks pummeling Earth and the moon was relatively infrequent, but then doubled or tripled for unknown reasons, a new study finds.

What Happened to Earth’s Ancient Craters? Scientists Seek Clues on the Moon’s Pocked Surface

Jan 17

The pace of space rocks pummeling Earth and the moon was relatively infrequent, but then doubled or tripled for unknown reasons, a new study finds.

What Happened to Earth’s Ancient Craters? Scientists Seek Clues on the Moon’s Pocked Surface

Jan 17

The pace of space rocks pummeling Earth and the moon was relatively infrequent, but then doubled or tripled for unknown reasons, a new study finds.

Makemake, the Moonless Dwarf Planet, Has a Moon After All

Jan 14

Astronomers found the moon, nicknamed MK2, in an image taken by the Hubble Space Telescope.

Illustrated Interview | Buzz Aldrin

Jan 14

The octogenarian astronaut, who recently co-wrote the book ‘‘No Dream Is Too High,’’ sketched his answers with pencil over a period of two weeks.

Study Asks if Moon Astronauts Got Increased Heart Risks

Jan 14

With deep space exploration on the horizon, researchers say more research on radiation exposure and cardiovascular disease is needed.

Makemake, the Moonless Dwarf Planet, Has a Moon After All

Jan 14

Astronomers found the moon, nicknamed MK2, in an image taken by the Hubble Space Telescope.

Illustrated Interview | Buzz Aldrin

Jan 14

The octogenarian astronaut, who recently co-wrote the book ‘‘No Dream Is Too High,’’ sketched his answers with pencil over a period of two weeks.

Study Asks if Moon Astronauts Got Increased Heart Risks

Jan 14

With deep space exploration on the horizon, researchers say more research on radiation exposure and cardiovascular disease is needed.