Space & Physics

Discovered by volunteer scientists, this alien planet is out of synch with its siblings

Four ISS crew members are set to touch down on Thursday after NASA announced the first medical evacuation in the space station’s history

NASA crews go through extensive training and have access to supplies to treat medical issues, from dental problems and migraines to heart attacks, while they are in orbit

Total eclipses, lunar occultations, planetary conjunctions and meteor showers await stargazers this year

NASA on Thursday announced it would take the extraordinary step of bringing four crewmembers back to Earth from the space station before their official mission end

A giant asteroid has sent astronomers into a spin, setting a record for how fast it rotates on its axis

A wobbling jet from a giant, voracious black hole is suppressing star formation in a distant galaxy—and astronomers have never seen anything quite like it before

NASA may bring some of the ISS’s crew home earlier than planned after one member experienced a medical issue just hours before two astronauts were due to complete a space walk outside the station on Wednesday

Bigger than Hubble and launching as soon as 2029, the Lazuli Space Observatory would be the first-ever full-scale private space telescope

Scientists have found the best evidence yet for long-predicted “failed galaxies”

Lawmakers aim to support science research despite cuts proposed by the Trump administration

Researchers found evidence that a companion star may be influencing Betelgeuse, explaining why the latter star’s brightness changes over time