A rare celestial event on Feb. 28 will offer skywatchers the chance to witness a "planet parade" of all seven planets in our solar system outside of Earth. It's the last time this type of planetary ...

Comet C/2025 A6 (Lemmon) is this year’s brightest comet visible from Earth—an icy relic from the solar system’s origins that ...

When Earth is opposite Mars from the sun, it will appear full because you’re looking directly on the daylit side. But ...

From Interstellar to Star Wars, science fiction is filled with stories of how humans might travel through the universe to visit distant worlds. But even with our most advanced modern rockets, ...

Mars is within 5 degrees of Mercury from Oct. 12 through Oct. 29, but is much fainter. On the evening of Oct. 19, the two planets will appear closest together, just 2 degrees apart. About 30 minutes ...

Astronomers have captured the sharpest, most detailed images yet of young solar systems where planets are just beginning to take shape. Exquisite snapshots released on Monday (April 28) provide a rare ...

The search for life beyond Earth is a key driver of modern astronomy and planetary science. The U.S. is building multiple major telescopes and planetary probes to advance this search. However, the ...

AMES, Iowa – Using data from NASA’s Kepler space telescope, an international team of astronomers has discovered a distant planetary system featuring multiple planets orbiting at a severe tilt to their ...

A team of astronomers observed a confused exoplanet orbiting its two parent stars in a highly unusual way. As New Scientist reports, the planet, which was first discovered in 2004, is located in a ...

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue. This article was originally published at The Conversation. The publication ...