Sealed Cache of Moon Rocks to Be Opened by NASA

A half-century ago, three containers of lunar samples were set aside, to await study by more…

Neptune Has a Newly Discovered Moon. What Else Is It Hiding?

There is much more to learn about the solar system’s eighth planet, which hasn’t been visited…

The Far Side of the Moon: What China and the World Hope to Find

The side of the moon we never see from Earth contains secrets about our solar system’s…

Trilobites: It’s Cold Outside, but Earth Is at Its Closest Approach to the Sun

Our planet’s elliptical orbit doesn’t affect winter or summer temperatures. But some astronomers wonder whether it’s…

Trilobites: Never Mind the Summer Heat: Earth Is at Its Greatest Distance From the Sun

During aphelion, our planet receives 7 percent less sunlight than in January, but changes in the…

Summer Solstice 2018: The Search for Life in the Galaxy

As you mark the longest day of the year, consider the debate among astronomers over whether…

Trilobites: Are Earthquakes More Likely During Full Moons? That’s a Myth, Study Finds

A seismologist scrutinized hundreds of strong earthquakes over four centuries and found no relationship to lunar…

Trilobites: Give Thanks for the Winter Solstice. You Might Not Be Here Without It.

The scientific start of winter offers a moment to reflect on how we might not be…