Life Might Thrive on the Surface of Earth for an Extra Billion Years

The Sun is midway through its life of fusion. It’s about five billion years old, and…

Exoplanets Could be Hiding Their Atmospheres

Most of the exoplanets we’ve discovered orbit red dwarf stars. This isn’t because red dwarfs are…

Actually, Ceres Might Have Formed in the Asteroid Belt After All

Dwarf planet Ceres is the largest planetary body in the Asteroid Belt. For a long time,…

Metal Part 3D Printed in Space for the First Time

Additive manufacturing, also known as 3D printing, has had a profound impact on the way we…

Did Mars Once Have a Third, Larger Moon?

We are all familiar with our one Moon but other planets have different numbers of moons;…

NASA Watches a Peanut-Shaped Asteroid Drift Past Earth

Peanuts! Get your peanuts here! The Solar System has been passing out peanuts lately in the…

The Early Universe Had a Lot of Black Holes

The Hubble Deep Field and its successor, the Hubble Ultra-Deep Field, showed us how vast our Universe is and how…

SETI Scientists Scan TRAPPIST-1 for Technosignatures

If you are going to look for intelligent life beyond Earth, there are few better candidates…

A Star Was Kicked Out of a Globular Cluster by an Intermediate-Mass Black Hole

Astronomers have solid evidence for the existence of stellar-mass black holes and supermassive black holes. However,…

Astronomers Have Found a Star with a Hot Jupiter and a Cold Super Jupiter in Orbit

Located in the constellation Ursa Major, roughly 300 light-years from Earth, is the Sun-like star HD…