Caltech scientists are developing laser-driven lightsails that could push spacecraft beyond our solar system. Their research ...

The above 40-second video is sped-up footage of the new-found jets flashing briefly near the Sun’s south pole. In reality, the jets flash for around one minute, flinging charged particles at an ...

A NASA satellite that suddenly reappeared after going silent gets credit for the remarkable discovery—a pair of temporary ...

In October 2020, a van-sized robotic spacecraft briefly touched down on the surface of Bennu, a 525-meter-wide asteroid 320 million kilometers from Earth.

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

Although they don't impact the surface directly, historical evidence and simulations suggest airbursts can pack a punch.

This may explain the strange properties of the orbits of our solar system's planets, which are not quite perfectly circular, and all lie on slightly different planes. NASA artist’s conception of ...

Couldn’t we all do with a little stress reduction? Especially since all seven of the other planets in our solar system are about to become visible at once in a great planetary alignment.

All of our solar system’s planets are lining up to parade through the night sky at once. This extraordinary celestial event will see the sky scattered with seven visible planets in what is known ...

An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit before shoving four of the solar system's planets onto a different course.

Credit: NAOJ The James Webb Space Telescope has provided groundbreaking insights into a new type of exoplanet, fundamentally different from those in our Solar System, by piercing through thick cloud ...

Having an early-warning system for solar flares could help us protect infrastructure and technology here on Earth as well as astronauts in space from the effects of the high-energy solar radiation.