NASA’s SPHEREx space telescope mission viewed 3I/ATLAS in December 2025, when researchers believed the brightening occurred due to a phenomenon associated with comets as they vent water, carbon ...

Astronomers have observed a rare event in the solar system, a comet slowing its rotation and then spinning in the opposite ...

The period of maximum eclipse will occur at 7:12 a.m. EST (1212 GMT) on Feb. 17, according to Time and Date, when the moon ...

Energy is fundamentally important—researchers have linked a lack of reliable energy to poor physical health, poor mental ...

First its rotation slowed between March and May 2017, taking 46 hours to complete a spin where it had once taken only 20 hours. This occurred as the comet neared its closest point to the sun, roughly ...

The fate of a comet that was predicted to pass close to Earth remains a mystery five years after its dramatic breakup in the ...

As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Analysis of asteroid Bennu samples suggests life's building blocks formed in frozen outer Solar System, not warm asteroid interiors.

Scientists suggest that the amino acids found on the asteroid Bennu did not require warm, liquid water to form, as previously assumed.

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

Two Oak Ridge engineers and former presidents of Friends of Oak Ridge National Laboratory have a proposal for saving the NASA plan. They first described their technical solution at the winter meeting ...

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 ...