The meteorite Northwest Africa (NWA) 12264 might cause changes to the timeline of planet formation, affecting the knowledge ...

Researchers studied the L 98-59 system and confirmed five rocky planets. One is in the habitable zone and may support liquid water.

In an unprecedented breakthrough, an international team of astronomers has successfully captured, for the first time, the ...

Astronomers have discovered a new member of a rare and mysterious class of solar system objects known as sednoids - a subset of extreme trans-Neptunian objects (ETNOs) with exceptionally distant, ...

A team led by UdeM researchers confirms a fifth potentially habitable planet around L 98-59, a red dwarf 35 light-years away.

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today ...

SCOTS may be able to catch a glimpse of Pluto this week as it reaches peak brightness. The dwarf planet is set to be at its ...

CAPE CANAVERAL, Fla. (AP) — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away ...

A group of international researchers said on Wednesday they witnessed some of the earliest stages of a planet beyond the sun ...

Evidence that rocky planets beyond Jupiter formed as rapidly, and at the same time, as the inner planets could transform our understanding of how planets take shape — not only in our solar system, but ...

Three planets with masses ranging from 5.3 to 24.9 Earth masses orbit the star 61 Virginis, which is virtually a twin of the Sun. “These planets are particularly exciting,” said team member ...