The search for Planet Nine, a hidden world beyond Neptune, is heating up as scientists prepare to use a powerful new telescope.

After months of increasingly frequent and devastating climate events, 2024 is set to register as the hottest year ever recorded, with global temperatures exceeding the limits established at the ...

Today, NASA's Parker Solar Probe will make its last swing around Venus, setting it on course for a record-breaking approach to the sun. This maneuver is expected to take the probe within 3.8 million ...

The European agency said the world was passing a "new milestone" of temperature records that should serve to accelerate action to cut planet-heating emissions at the UN negotiations in Azerbaijan next ...