This hyperbolic Oort Cloud comet, on an inbound journey spanning millions of years, reached perihelion, closest position to ...

NASA’s SPHEREx telescope spotted interstellar visitor comet 3I/ATLAS flaring up while exiting the solar system. Scientists explain what caused it.

Stokey’s Solar Walk transforms the revetment between Bonchurch and Wheelers Bay into a to-scale model of our planetary ...

NASA astronauts talk about returning to the lunar surface not as a nostalgic repeat of Apollo, but as a strategic necessity. They argue that the Moon is the only nearby world where humans have already ...

Can Mars let humans age faster? It sounds more poetic than reality, but it may be true technically. Two identical clocks: One on Earth other on Mars, .

"The upcoming cutting-edge upgrades will allow us to generate hotter, higher performance plasmas that move us closer to those ...

Researchers say tropical coral reefs may have already crossed a tipping point, portending mass dieback. Studies suggest they ...

In 1883, a comet capable of ending life on Earth narrowly missed impact. Only one man on the planet noticed, a Mexican ...

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

Close to the sun, the solar wind, a steady stream of charged particles, accelerates until it cannot turn back. During a record pass about 3.8 million miles above the surface, Parker Solar Probe ...

Earth’s magnetic field and atmospheric oxygen appear to have moved in sync for half a billion years, pointing to a surprising connection between the planet’s deep interior and life-supporting ...