Scientists have uncovered a new way rogue planetary-mass objects (PMOs) may form—not as failed stars or ejected planets, but through violent cosmic encounters. High-resolution simulations reveal that ...

and could cause local devastation if it were to collide with our planet. The quick de-escalation of the asteroid’s risk assessment is thanks to “unsung, meticulous work by astronomers” who ...

Planets change orbit shape around Neptune’s size. Metal-rich stars help giant planets form. Eccentric orbits suggest chaotic planet formation.

Getty The chance of asteroid 2024 YR4 colliding with Earth has changed yet again, according to scientists. The asteroid, which was first reported in December 2024 and is large enough to destroy an ...

Seven planets are aligning in the night sky this week, creating a brief chance to see a "planetary parade." Worldwide, the best day to see the alignment is today, Feb. 28. Mercury, Venus ...

Gemini won’t be the only telescope on the case. NASA recently enlisted the aid of the James Webb telescope — the planet’s most powerful — to analyze 2024 YR4 and determine the level of ...

Space agency officials have announced that a newly-discovered asteroid could collide with Earth in 2032 ... While asteroids orbit the Sun like planets, they are much smaller compared to the ...

Of the more than 74,000 known meteorites – rocks that fall to Earth from asteroids or planets colliding together – only 385 or so stones came from the planet Mars. It’s not that hard for ...

Billions of starless planets, or PMOs, drift through space. New research reveals they form through violent star disk ...

Planets originate from protoplanetary disks, circulating disks of gas and dust that develop around young stars. The formation begins as dust grains collide and gradually clump together ...