Jan 17, 2022 by News Staff

Solar system’s gas giants, such as Jupiter, Saturn, and massive exoplanets, were formed via the gas accretion onto the solid cores, each with a mass...

Jan 17, 2022 by News Staff

Astronomers have obtained 12 new high-precision transit observations of WASP-103b — a planet almost twice the size of Jupiter with 1.5 times its...

Jan 14, 2022 by News Staff

In their hunt for elusive exomoon candidates, astronomers have looked at 70 cool gas giants found by NASA’s Kepler space telescope. They’ve found only...

Jan 13, 2022 by News Staff

The pressure and temperature conditions at which iron melts are important for rocky planets because they determine the size of the liquid metal core, an...

Jan 10, 2022 by Natali Anderson

Using data from NASA’s Transiting Exoplanet Survey Satellite (TESS) and several ground-based facilities, astronomers have discovered a long-period sub-Neptune...

Jan 8, 2022 by News Staff

University of California, Santa Barbara’s professors Philip Lubin and Joel Rothman and their colleagues contemplate launching small cryptobiotic lifeforms...

Dec 26, 2021 by News Staff

The James Webb Space Telescope, an international partnership between NASA, ESA and the Canadian Space Agency (CSA), launched at 7:20 a.m. EST (13:20 CET)...

Dec 23, 2021 by News Staff

Using ultraviolet data from the NASA/ESA Hubble Space Telescope, astronomers have detected carbon ions — charged particles that interact with magnetic...

Dec 22, 2021 by News Staff

Using observations and archival data from several space- and ground-based telescopes, astronomers have discovered a rich population of free-floating planets...

Dec 13, 2021 by News Staff

A team of professional astronomers and citizen scientists from the Backyard Worlds: Planet 9 project has discovered a planetary-mass object co-moving with...

Dec 9, 2021 by Enrico de Lazaro

Named b Centauri (AB)b (or b Centauri b), the newfound exoplanet is estimated to be only 15 million years old and 10 times the mass of Jupiter, according...

Dec 3, 2021 by News Staff

Astronomers using NASA’s Transiting Exoplanet Survey Satellite (TESS) have identified a dense, ultra-short-period sub-Earth planet transiting the bright,...

Nov 29, 2021 by Natali Anderson

With an extremely short orbital period of 0.67 days (16 hours), the newly-discovered ultrahot Jupiter — named TOI-2109b — has the shortest...

Nov 24, 2021 by News Staff

Using photometric data from NASA’s Kepler/K2 mission, astronomers have identified 747 unique planet candidates and 57 multiplanet systems; of these candidates,...

Nov 23, 2021 by News Staff

Using NASA’s Chandra X-ray Observatory and ESA’s XMM-Newton satellite, astronomers have investigated unusual X-ray activity in three white dwarfs:...

Nov 17, 2021 by News Staff

Astronomers from the University of Sydney, the Breakthrough Initiative, Saber Aeronautics and NASA’s Jet Propulsion Laboratory announced this week the...

Nov 11, 2021 by News Staff

The thickness of the brittle lithosphere — the outer portion of a planetary body that fails via fracturing — plays a key role in the geological...

Nov 8, 2021 by News Staff

The question of whether we are alone in the Universe has been a source of wonder for humanity for millennia or more. Advances in planetary sciences, astronomy,...

Nov 3, 2021 by News Staff

Most rocky exoplanets are exotic in composition and mineralogy, according to an analysis of the chemical composition of the so-called ‘polluted’ white...

Nov 2, 2021 by Natali Anderson

The super-Earth HD 3167b is close to orbiting within the stellar equatorial plane, while the mini-Neptune HD 3167c orbits above the poles of the host star,...