Astronomers can’t agree on how fast the universe is expanding. New approaches aim to break the impasse

Credit: ESA/Hubble & Nasa, F. Pacaud, D. Coe It is almost 100 years since scientists discovered…

I am Artemis: Chris Pereira

Chris Pereira can personally attest to the immense gravitational attraction of black holes. He’s been in…

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…

New study uncovers unexpected interaction between Mars and the solar wind

Main domains and boundaries of the degenerate magnetosphere and the near-Mars environment for a near-parallel IMF.…

What You Need to Know about NASA’s SpaceX Crew-9 Mission

NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov are preparing to launch on the agency’s…

Volcanoes may help reveal interior heat on Jupiter moon

Nearly 400 active volcanoes punctuate the Jupiter moon Io. Using flyby data from NASA’s Juno mission…

When Will That Star Dim? Amateur Planet-Chasers Got You!

5 min read NASA Completes Spacecraft to Transport, Support Roman Space Telescope The spacecraft bus that…

See the world’s best space images from the Astronomy Photographer of the Year 2024 award

Astronomy Photographer of the Year, the annual photo competition showcasing all things space, is back. Ed…

What You Need to Know about NASA’s SpaceX Crew-9 Mission

NASA astronaut Nick Hague and Roscosmos cosmonaut Aleksandr Gorbunov are preparing to launch on the agency’s…

Exoplanets Could be Hiding Their Atmospheres

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