It's true, though: outer space does have a smell, or rather, many smells. The cosmos isn't sterile or empty, after all. It's ...

"Rather than 'icy' or 'rocky,' we should simply call them minor giants." ...

When you think of outer space, you're likely picturing stars, planets and moons. But much of space is filled with clouds of gas, plasma and stardust—known as interstellar clouds.

The Hubble Space Telescope has reached the jaw-dropping milestone of discovering more than 6,000 new worlds. The joint NASA / ...

Credit: Kamalika Chakraborty A bizarre pair of planets 190 light-years away is forcing astronomers to rethink how planetary ...

Just in time for President Donald Trump’s release of the UFO files, Republican Rep. Lauren Boebert has declared that aliens ...

Astronomers have discovered a thin atmosphere around a small celestial body in the outer solar system for the first time, ...

Jessica West is a senior fellow at the Centre for International Governance Innovation (CIGI) and a senior researcher at ...

The finding comes with significant new suggestions about the solar system ...

The search for Earth 2.0 has begun in earnest. But there's a huge variety of exoplanets out there, so narrowing down the search to focus valuable telescope time on only the best candidates is critical ...

Worlds this small and distant are thought to be too cold and have too little surface gravity to hold onto gases. But the findings suggest that icy, rocky objects in the solar system's outer reaches ar ...

3I/ATLAS is now exiting our solar system at more than 137,000 miles per hour.