Further studies are needed to determine whether K2-18b, which orbits a star 120 light-years away, is inhabited, or even ...

Astronomers observe a planet disappearing. Collisions and bright flashes visible from Earth, what could have happened. Here's how a planet ceases to exist.

One such moment was when space craft sent back images of the Earth for the first time. Another is the discovery of life on ...

The Hubble Space Telescope time-lapse captured footage of Jupiter, Saturn, Uranus and Neptune. Credit: SCIENCE: NASA, ESA, ...

One such moment was when space craft sent back images of ... Since then, nearly 6,000 planets outside our solar system have been discovered. Many are so-called gas giants, like Jupiter and Saturn ...

The trans-Neptunian object Altjira, 44 times farther from the Sun than Earth is, could be the second known trinary, ...

Apr. 15, 2025 — First ever supercomputer simulations of Mars with a fully molten core could explain the Red Planet's unusual magnetic field. Billions of years ago, Mars had an active magnetic field.

The relative quantities of volatile gases like methane and ethane can reveal key details about distant Kuiper Belt objects.

Scientists are using an array of instruments to detect other planets, some of which may harbor life—and others that most ...

Using the James Webb Space Telescope, scientists say they found indications of potential life on K2-18b, a planet outside our solar system.

Near a planet far, far away astronomers have found traces of chemicals that on Earth are only produced by living beings.

Pluto isn’t the only dwarf planet in our solar system's outer reaches. Now is an ideal time to look for the egg-shaped Haumea, says Abigail Beall ...