Most planetary systems contain worlds larger than Earth but smaller than Neptune, and the low-density planets around one ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: ALMA(ESO/NAOJ/NRAO)/M. McClure et al. Astronomers have witnessed the birth of a planetary ...

Astronomers have witnessed the birth of a solar system beyond our own for the first time. An international team of researchers has been able to pinpoint the exact moment when planets began to form ...

A rare alignment of two exoplanets with their star, marking one of the few known exosyzygies, an astronomical event involving ...

The star system V1298 Tau reveals that many planets begin as large, low-density worlds that slowly shrink and shed their ...

What was originally thought to be a planet orbiting the Fomalhaut star was probably just the fallout of a wild collision.

Aliza Chasan is a Digital Content Producer for "60 Minutes" and CBSNews.com. She has previously written for outlets including PIX11 News, The New York Daily News, Inside Edition and DNAinfo. Aliza ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

Forty light-years away, seven Earth-sized planets orbit around a dim red dwarf star in one of the most tightly packed planetary systems ever discovered. The TRAPPIST-1 system has captivated ...

While its star projector leaves a lot to be desired, the Science Can Solar System Planetary Projector is a fantastic educational tool for kids, with its solar system model, complete with talking ...

Astronomers have discovered more than 300 exoplanetary systems that have three or more known planets. Most of these planets are about the same size and spaced close together, earning them the moniker ...