The planet should not have survived the star's red giant phase—which sees a star balloon to more than 100 times its original ...

What happens at the end of our world? Scientists have found an Earth-like planet orbiting a star 4,000 light years away from the solar system that may reveal our planet’s ultimate fate. The rocky ...

A reader (and astronomy expert) gets to grips with this one, pointing out that Earth’s future fate is still uncertain – and ...

Every time I see the moon in the sky, it makes me happy. The big picture of the moon’s origin is fairly well established.

NASA Artemis missions are working toward a near future where humans are an interplanetary species—lunar bases are planned by 2030 and a round trip to Mars in 2039. These planet-hopping people will ...

A bewildering number of factors and variables led up to the planet we occupy today, where life finds a way to survive and even thrive in the most marginal conditions. The sun is the catalyst for it ...

In the quiet layers of rock, footprints, bones, and leaves tell a story of worlds lost, and of our own uncertain future. Every year, National Fossil Day invites us to pause and think about the ...