Science & Astronomy

An upcoming NASA mission will provide an unprecedented look at ice clouds at high altitudes in Earth's atmosphere.

The European Space Agency (ESA) has designed a tiny mobile phone-sized probe that could become the world's first to measure the gravity on the surface of an asteroid.

The European Space Agency held the first-ever "livestream from Mars" today (June 2), beaming home photos from its Mars Express orbiter in near-real time.

Four-time astronaut Scott Kelly spoke with Space.com about UFOs and why air and space are so 'prone to optical illusions' that lead to reports of unidentified anomalous phenomena.

Hundreds of lines made from a multitude of gases have been discovered extending outward from the black hole at the center of our galaxy.

Astronauts aboard the International Space Station photographed a raging wildfire in the Canadian province of Nova Scotia that has nearly tripled in size in the past few days.

The European Space Agency will livestream imagery from its Mars Express probe in near-real time today (June 2) to celebrate the 20th anniversary of the orbiter's launch.

SpaceX's 28th cargo mission (CRS-28) is poised to launch new science experiments and provisions to the International Space Station on Saturday (June 3).

Astronomers discovered two mini-Neptunes and a third potential exoplanet in the final data sent home by NASA's Kepler space telescope just before it was decommissioned in late 2018.

The James Webb Space Telescope spotted water in the atmosphere of the exoplanet WASP-18 b, which reaches nearly 5,000 degrees Fahrenheit (2,700 degrees Celsius).

One of the brightest stars in the night sky has been getting oddly brighter, prompting speculations that it might soon explode in a supernova. Can we really expect that celestial spectacle?

The James Webb Space Telescope has found a 6,000 mile-long plume of water squirting into space from Saturn's tiny moon Enceladus, creating a massive watery cloud in the planet's orbit.

NASA's Hubble Space Telescope has snapped a stunning image of a jellyfish galaxy, whose cosmic tentacles host massive amounts of star formation.

Neutral particles accelerated to incredible speeds could be used to investigate powerful solar storms, according to a new study.

During the opening remarks in today's meeting of NASA's UAP study team, members stressed that the biggest roadblock standing between us and understanding unidentified phenomena is a lack of data.

NASA's Chandra X-ray Observatory spied a massive "H" structure half the size of our entire galaxy made of blazing hot gas spewing from a distant supermassive black hole.

The two protesters burst from their cocoons of gas and dust in Lupus 3, a vast stellar nursery located about 500 light-years from Earth.

On Wednesday (May 31), NASA will hold a meeting of the "independent study group" the agency created to study data related to unidentified anomalous phenomena, or UAP. Here's how to watch it live.